18025220

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8423}}^1$

素因数の和:8539

約数の個数: 24

約数和(自身を含む): 38211264

約数和(自身を除く): 20186044

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 8423, 16846, 33692, 42115, 84230, 168460, 901261, 1802522, 3605044, 4506305, 9012610, 18025220]

約数ペア:

[(1, 18025220), (2, 9012610), (4, 4506305), (5, 3605044), (10, 1802522), (20, 901261), (107, 168460), (214, 84230), (428, 42115), (535, 33692), (1070, 16846), (2140, 8423)]