19122155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7951}}^1$

素因数の和:8006

約数の個数: 16

約数和(自身を含む): 25382784

約数和(自身を除く): 6260629

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 7951, 39755, 103363, 294187, 516815, 1470935, 3824431, 19122155]

約数ペア:

[(1, 19122155), (5, 3824431), (13, 1470935), (37, 516815), (65, 294187), (185, 103363), (481, 39755), (2405, 7951)]