18316180

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2551}}^1$

素因数の和:2919

約数の個数: 24

約数和(自身を含む): 38586240

約数和(自身を除く): 20270060

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 2551, 3590, 5102, 7180, 10204, 12755, 25510, 51020, 915809, 1831618, 3663236, 4579045, 9158090, 18316180]

約数ペア:

[(1, 18316180), (2, 9158090), (4, 4579045), (5, 3663236), (10, 1831618), (20, 915809), (359, 51020), (718, 25510), (1436, 12755), (1795, 10204), (2551, 7180), (3590, 5102)]