18843680

素因数分解:

$2^5\times 5^1\times {\mathrm{117773}}^1$

素因数の和:117788

約数の個数: 24

約数和(自身を含む): 44518572

約数和(自身を除く): 25674892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 117773, 235546, 471092, 588865, 942184, 1177730, 1884368, 2355460, 3768736, 4710920, 9421840, 18843680]

約数ペア:

[(1, 18843680), (2, 9421840), (4, 4710920), (5, 3768736), (8, 2355460), (10, 1884368), (16, 1177730), (20, 942184), (32, 588865), (40, 471092), (80, 235546), (160, 117773)]