18882855

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2293}}^1$

素因数の和:2368

約数の個数: 32

約数和(自身を含む): 34134720

約数和(自身を除く): 15251865

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2293, 2745, 6879, 8235, 11465, 20637, 34395, 61911, 103185, 139873, 309555, 419619, 699365, 1258857, 2098095, 3776571, 6294285, 18882855]

約数ペア:

[(1, 18882855), (3, 6294285), (5, 3776571), (9, 2098095), (15, 1258857), (27, 699365), (45, 419619), (61, 309555), (135, 139873), (183, 103185), (305, 61911), (549, 34395), (915, 20637), (1647, 11465), (2293, 8235), (2745, 6879)]