18428543

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3947}}^1$

素因数の和:4006

約数の個数: 16

約数和(自身を含む): 22740480

約数和(自身を除く): 4311937

約数列:

[1, 7, 23, 29, 161, 203, 667, 3947, 4669, 27629, 90781, 114463, 635467, 801241, 2632649, 18428543]

約数ペア:

[(1, 18428543), (7, 2632649), (23, 801241), (29, 635467), (161, 114463), (203, 90781), (667, 27629), (3947, 4669)]