19550765

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1361}}^1$

素因数の和:1409

約数の個数: 24

約数和(自身を含む): 26918568

約数和(自身を除く): 7367803

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 1361, 2873, 6805, 14365, 17693, 23137, 88465, 115685, 230009, 300781, 1150045, 1503905, 3910153, 19550765]

約数ペア:

[(1, 19550765), (5, 3910153), (13, 1503905), (17, 1150045), (65, 300781), (85, 230009), (169, 115685), (221, 88465), (845, 23137), (1105, 17693), (1361, 14365), (2873, 6805)]