18077620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82171}}^1$

素因数の和:82191

約数の個数: 24

約数和(自身を含む): 41414688

約数和(自身を除く): 23337068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 82171, 164342, 328684, 410855, 821710, 903881, 1643420, 1807762, 3615524, 4519405, 9038810, 18077620]

約数ペア:

[(1, 18077620), (2, 9038810), (4, 4519405), (5, 3615524), (10, 1807762), (11, 1643420), (20, 903881), (22, 821710), (44, 410855), (55, 328684), (110, 164342), (220, 82171)]