18172765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3539}}^1$

素因数の和:3636

約数の個数: 16

約数和(自身を含む): 23788800

約数和(自身を除く): 5616035

約数列:

[1, 5, 13, 65, 79, 395, 1027, 3539, 5135, 17695, 46007, 230035, 279581, 1397905, 3634553, 18172765]

約数ペア:

[(1, 18172765), (5, 3634553), (13, 1397905), (65, 279581), (79, 230035), (395, 46007), (1027, 17695), (3539, 5135)]