18138029

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5387}}^1$

素因数の和:5444

約数の個数: 16

約数和(自身を含む): 22931328

約数和(自身を除く): 4793299

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 5387, 37709, 70031, 199319, 490217, 1395233, 2591147, 18138029]

約数ペア:

[(1, 18138029), (7, 2591147), (13, 1395233), (37, 490217), (91, 199319), (259, 70031), (481, 37709), (3367, 5387)]