19727564

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 35266560

約数和(自身を除く): 15538996

約数列:

[1, 2, 4, 79, 158, 163, 316, 326, 383, 652, 766, 1532, 12877, 25754, 30257, 51508, 60514, 62429, 121028, 124858, 249716, 4931891, 9863782, 19727564]

約数ペア:

[(1, 19727564), (2, 9863782), (4, 4931891), (79, 249716), (158, 124858), (163, 121028), (316, 62429), (326, 60514), (383, 51508), (652, 30257), (766, 25754), (1532, 12877)]