18149721

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1447}}^1$

素因数の和:1600

約数の個数: 16

約数和(自身を含む): 25090944

約数和(自身を除く): 6941223

約数列:

[1, 3, 37, 111, 113, 339, 1447, 4181, 4341, 12543, 53539, 160617, 163511, 490533, 6049907, 18149721]

約数ペア:

[(1, 18149721), (3, 6049907), (37, 490533), (111, 163511), (113, 160617), (339, 53539), (1447, 12543), (4181, 4341)]