18625745

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1087}}^1$

素因数の和:1264

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 4875055

約数列:

[1, 5, 23, 115, 149, 745, 1087, 3427, 5435, 17135, 25001, 125005, 161963, 809815, 3725149, 18625745]

約数ペア:

[(1, 18625745), (5, 3725149), (23, 809815), (115, 161963), (149, 125005), (745, 25001), (1087, 17135), (3427, 5435)]