18908290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{577}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 35581680

約数和(自身を除く): 16673390

約数列:

[1, 2, 5, 10, 29, 58, 113, 145, 226, 290, 565, 577, 1130, 1154, 2885, 3277, 5770, 6554, 16385, 16733, 32770, 33466, 65201, 83665, 130402, 167330, 326005, 652010, 1890829, 3781658, 9454145, 18908290]

約数ペア:

[(1, 18908290), (2, 9454145), (5, 3781658), (10, 1890829), (29, 652010), (58, 326005), (113, 167330), (145, 130402), (226, 83665), (290, 65201), (565, 33466), (577, 32770), (1130, 16733), (1154, 16385), (2885, 6554), (3277, 5770)]