18540465

素因数分解:

$3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{4561}}^1$

素因数の和:4840

約数の個数: 16

約数和(自身を含む): 29780736

約数和(自身を除く): 11240271

約数列:

[1, 3, 5, 15, 271, 813, 1355, 4065, 4561, 13683, 22805, 68415, 1236031, 3708093, 6180155, 18540465]

約数ペア:

[(1, 18540465), (3, 6180155), (5, 3708093), (15, 1236031), (271, 68415), (813, 22805), (1355, 13683), (4065, 4561)]