18709015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15149}}^1$

素因数の和:15186

約数の個数: 16

約数和(自身を含む): 25452000

約数和(自身を除く): 6742985

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 15149, 75745, 196937, 287831, 984685, 1439155, 3741803, 18709015]

約数ペア:

[(1, 18709015), (5, 3741803), (13, 1439155), (19, 984685), (65, 287831), (95, 196937), (247, 75745), (1235, 15149)]