18580540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{84457}}^1$

素因数の和:84477

約数の個数: 24

約数和(自身を含む): 42566832

約数和(自身を除く): 23986292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 84457, 168914, 337828, 422285, 844570, 929027, 1689140, 1858054, 3716108, 4645135, 9290270, 18580540]

約数ペア:

[(1, 18580540), (2, 9290270), (4, 4645135), (5, 3716108), (10, 1858054), (11, 1689140), (20, 929027), (22, 844570), (44, 422285), (55, 337828), (110, 168914), (220, 84457)]