18315755

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 22550400

約数和(自身を除く): 4234645

約数列:

[1, 5, 79, 89, 395, 445, 521, 2605, 7031, 35155, 41159, 46369, 205795, 231845, 3663151, 18315755]

約数ペア:

[(1, 18315755), (5, 3663151), (79, 231845), (89, 205795), (395, 46369), (445, 41159), (521, 35155), (2605, 7031)]