18153005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{881}}^1$

素因数の和:1216

約数の個数: 16

約数和(自身を含む): 23559984

約数和(自身を除く): 5406979

約数列:

[1, 5, 13, 65, 317, 881, 1585, 4121, 4405, 11453, 20605, 57265, 279277, 1396385, 3630601, 18153005]

約数ペア:

[(1, 18153005), (5, 3630601), (13, 1396385), (65, 279277), (317, 57265), (881, 20605), (1585, 11453), (4121, 4405)]