18322180

素因数分解:

$2^2\times 5^1\times {\mathrm{916109}}^1$

素因数の和:916118

約数の個数: 12

約数和(自身を含む): 38476620

約数和(自身を除く): 20154440

約数列:

[1, 2, 4, 5, 10, 20, 916109, 1832218, 3664436, 4580545, 9161090, 18322180]

約数ペア:

[(1, 18322180), (2, 9161090), (4, 4580545), (5, 3664436), (10, 1832218), (20, 916109)]