18764291

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5573}}^1$

素因数の和:5630

約数の個数: 16

約数和(自身を含む): 23722944

約数和(自身を除く): 4958653

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 5573, 39011, 72449, 206201, 507143, 1443407, 2680613, 18764291]

約数ペア:

[(1, 18764291), (7, 2680613), (13, 1443407), (37, 507143), (91, 206201), (259, 72449), (481, 39011), (3367, 5573)]