18421615

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 22608000

約数和(自身を除く): 4186385

約数列:

[1, 5, 79, 149, 313, 395, 745, 1565, 11771, 24727, 46637, 58855, 123635, 233185, 3684323, 18421615]

約数ペア:

[(1, 18421615), (5, 3684323), (79, 233185), (149, 123635), (313, 58855), (395, 46637), (745, 24727), (1565, 11771)]