18799576315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{214399}}^1$

素因数の和:214507

約数の個数: 32

約数和(自身を含む): 25933824000

約数和(自身を除く): 7134247685

約数列:

[1, 5, 13, 19, 65, 71, 95, 247, 355, 923, 1235, 1349, 4615, 6745, 17537, 87685, 214399, 1071995, 2787187, 4073581, 13935935, 15222329, 20367905, 52956553, 76111645, 197890277, 264782765, 289224251, 989451385, 1446121255, 3759915263, 18799576315]

約数ペア:

[(1, 18799576315), (5, 3759915263), (13, 1446121255), (19, 989451385), (65, 289224251), (71, 264782765), (95, 197890277), (247, 76111645), (355, 52956553), (923, 20367905), (1235, 15222329), (1349, 13935935), (4615, 4073581), (6745, 2787187), (17537, 1071995), (87685, 214399)]