19659956

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2207}}^1$

素因数の和:2359

約数の個数: 24

約数和(自身を含む): 36723456

約数和(自身を除く): 17063500

約数列:

[1, 2, 4, 17, 34, 68, 131, 262, 524, 2207, 2227, 4414, 4454, 8828, 8908, 37519, 75038, 150076, 289117, 578234, 1156468, 4914989, 9829978, 19659956]

約数ペア:

[(1, 19659956), (2, 9829978), (4, 4914989), (17, 1156468), (34, 578234), (68, 289117), (131, 150076), (262, 75038), (524, 37519), (2207, 8908), (2227, 8828), (4414, 4454)]