18678335

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2543}}^1$

素因数の和:2674

約数の個数: 16

約数和(自身を含む): 24361344

約数和(自身を除く): 5683009

約数列:

[1, 5, 13, 65, 113, 565, 1469, 2543, 7345, 12715, 33059, 165295, 287359, 1436795, 3735667, 18678335]

約数ペア:

[(1, 18678335), (5, 3735667), (13, 1436795), (65, 287359), (113, 165295), (565, 33059), (1469, 12715), (2543, 7345)]