18989840023

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{467}}^1\times {\mathrm{528097}}^1$

素因数の和:528582

約数の個数: 16

約数和(自身を含む): 23726386944

約数和(自身を除く): 4736546921

約数列:

[1, 7, 11, 77, 467, 3269, 5137, 35959, 528097, 3696679, 5809067, 40663469, 246621299, 1726349093, 2712834289, 18989840023]

約数ペア:

[(1, 18989840023), (7, 2712834289), (11, 1726349093), (77, 246621299), (467, 40663469), (3269, 5809067), (5137, 3696679), (35959, 528097)]