18464560

素因数分解:

$2^4\times 5^1\times {\mathrm{230807}}^1$

素因数の和:230820

約数の個数: 20

約数和(自身を含む): 42930288

約数和(自身を除く): 24465728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230807, 461614, 923228, 1154035, 1846456, 2308070, 3692912, 4616140, 9232280, 18464560]

約数ペア:

[(1, 18464560), (2, 9232280), (4, 4616140), (5, 3692912), (8, 2308070), (10, 1846456), (16, 1154035), (20, 923228), (40, 461614), (80, 230807)]