18678804956

素因数分解:

$2^2\times 7^1\times {\mathrm{667100177}}^1$

素因数の和:667100188

約数の個数: 12

約数和(自身を含む): 37357609968

約数和(自身を除く): 18678805012

約数列:

[1, 2, 4, 7, 14, 28, 667100177, 1334200354, 2668400708, 4669701239, 9339402478, 18678804956]

約数ペア:

[(1, 18678804956), (2, 9339402478), (4, 4669701239), (7, 2668400708), (14, 1334200354), (28, 667100177)]