18316815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3581}}^1$

素因数の和:3631

約数の個数: 32

約数和(自身を含む): 33011712

約数和(自身を除く): 14694897

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 3581, 5115, 10743, 17905, 39391, 53715, 111011, 118173, 196955, 333033, 555055, 590865, 1221121, 1665165, 3663363, 6105605, 18316815]

約数ペア:

[(1, 18316815), (3, 6105605), (5, 3663363), (11, 1665165), (15, 1221121), (31, 590865), (33, 555055), (55, 333033), (93, 196955), (155, 118173), (165, 111011), (341, 53715), (465, 39391), (1023, 17905), (1705, 10743), (3581, 5115)]