18319615

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{661}}^1$

素因数の和:930

約数の個数: 16

約数和(自身を含む): 23069376

約数和(自身を除く): 4749761

約数列:

[1, 5, 23, 115, 241, 661, 1205, 3305, 5543, 15203, 27715, 76015, 159301, 796505, 3663923, 18319615]

約数ペア:

[(1, 18319615), (5, 3663923), (23, 796505), (115, 159301), (241, 76015), (661, 27715), (1205, 15203), (3305, 5543)]