18564080

素因数分解:

$2^4\times 5^1\times {\mathrm{232051}}^1$

素因数の和:232064

約数の個数: 20

約数和(自身を含む): 43161672

約数和(自身を除く): 24597592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 232051, 464102, 928204, 1160255, 1856408, 2320510, 3712816, 4641020, 9282040, 18564080]

約数ペア:

[(1, 18564080), (2, 9282040), (4, 4641020), (5, 3712816), (8, 2320510), (10, 1856408), (16, 1160255), (20, 928204), (40, 464102), (80, 232051)]