18680452

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4093}}^1$

素因数の和:4267

約数の個数: 24

約数和(自身を含む): 37599296

約数和(自身を除く): 18918844

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4093, 4564, 8186, 16372, 28651, 57302, 114604, 667159, 1334318, 2668636, 4670113, 9340226, 18680452]

約数ペア:

[(1, 18680452), (2, 9340226), (4, 4670113), (7, 2668636), (14, 1334318), (28, 667159), (163, 114604), (326, 57302), (652, 28651), (1141, 16372), (2282, 8186), (4093, 4564)]