17967620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81671}}^1$

素因数の和:81691

約数の個数: 24

約数和(自身を含む): 41162688

約数和(自身を除く): 23195068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 81671, 163342, 326684, 408355, 816710, 898381, 1633420, 1796762, 3593524, 4491905, 8983810, 17967620]

約数ペア:

[(1, 17967620), (2, 8983810), (4, 4491905), (5, 3593524), (10, 1796762), (11, 1633420), (20, 898381), (22, 816710), (44, 408355), (55, 326684), (110, 163342), (220, 81671)]