20187519

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2927}}^1$

素因数の和:2971

約数の個数: 24

約数和(自身を含む): 31153920

約数和(自身を除く): 10966401

約数列:

[1, 3, 11, 19, 33, 57, 121, 209, 363, 627, 2299, 2927, 6897, 8781, 32197, 55613, 96591, 166839, 354167, 611743, 1062501, 1835229, 6729173, 20187519]

約数ペア:

[(1, 20187519), (3, 6729173), (11, 1835229), (19, 1062501), (33, 611743), (57, 354167), (121, 166839), (209, 96591), (363, 55613), (627, 32197), (2299, 8781), (2927, 6897)]