18938853

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{3833}}^1$

素因数の和:3906

約数の個数: 20

約数和(自身を含む): 28762668

約数和(自身を除く): 9823815

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 3833, 4941, 11499, 34497, 103491, 233813, 310473, 701439, 2104317, 6312951, 18938853]

約数ペア:

[(1, 18938853), (3, 6312951), (9, 2104317), (27, 701439), (61, 310473), (81, 233813), (183, 103491), (549, 34497), (1647, 11499), (3833, 4941)]