Results 1 - 10 for Divisor function

Divisor Function -- from Wolfram MathWorld
The divisor function sigma_k(n) for n an integer is defined as the sum of the kth powers of the (integer) divisors of n, sigma_k(n)=sum_(d|n)d^k. (1) It is implemented in ...
http://mathworld.wolfram.com/DivisorFunction.html
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Divisor function - Wikipedia, the free encyclopedia
In mathematics, and specifically in number theory, a divisor function is an arithmetical function related to the divisors of an integer. When referred to as the divisor function ...
http://wiki.healthhaven.com/Aliquot_sum
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Divisor summatory function - Wikipedia, the free encyclopedia
In number theory, the Divisor summatory function is a function that is a sum over the divisor function. It frequently occurs in the study of the asymptotic behaviour of the Riemann ...
http://wiki.healthhaven.com/Divisor_summatory_function
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Unitary Divisor Function -- from Wolfram MathWorld
The unitary divisor function sigma_k^*(n) is the analog of the divisor function sigma_k(n) for unitary divisors and denotes the sum-of-kth-powers-of-the-unitary divisors function.
http://mathworld.wolfram.com/UnitaryDivisorFunction.html
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divisor - definition of divisor by the Free Online Dictionary ...
di·vi·sor (d-v z r) n. The quantity by which ... divisor Divisor (algebraic geometry) Divisor class Divisor class group Divisor function
http://www.thefreedictionary.com/divisor
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PlanetMath: $\tau$ function
AMS MSC: 11A25 (Number theory :: Elementary number theory :: Arithmetic functions; related numbers; inversion formulas)
http://planetmath.org/encyclopedia/DivisorFunction.html
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Amazon.com: "divisor function": Key Phrase page
Key Phrase page for divisor function: Books containing the phrase divisor function
http://www.amazon.com/phrase/divisor-function
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divisor - Definition from the Merriam-Webster Online Dictionary
Definition of divisor from the Merriam-Webster Online Dictionary with audio ... Function: noun
http://www.merriam-webster.com/dictionary/divisor
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DivisorSigma - Wolfram Mathematica Documentation Center
DivisorSigma[k, n] gives the divisor function \[Sigma]_k (n).
http://reference.wolfram.com/mathematica/ref/DivisorSigma.html
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Divisor Function
Winter Camp for ACM-ICPC World Finals 2008 presented by JAG Practice Contest II, 24 Feb 2008.
http://rose.u-aizu.ac.jp/onlinejudge/ProblemSet/problem.jsp?vol=21&id=2123&tle=10&mle=32768&title=Diviso...
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