18325516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{3821}}^1$

素因数の和:3945

約数の個数: 24

約数和(自身を含む): 35315280

約数和(自身を除く): 16989764

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 3821, 4796, 7642, 15284, 42031, 84062, 168124, 416489, 832978, 1665956, 4581379, 9162758, 18325516]

約数ペア:

[(1, 18325516), (2, 9162758), (4, 4581379), (11, 1665956), (22, 832978), (44, 416489), (109, 168124), (218, 84062), (436, 42031), (1199, 15284), (2398, 7642), (3821, 4796)]