19860542

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{877}}^1$

素因数の和:972

約数の個数: 24

約数和(自身を含む): 32777496

約数和(自身を除く): 12916954

約数列:

[1, 2, 13, 26, 67, 134, 169, 338, 871, 877, 1742, 1754, 11323, 11401, 22646, 22802, 58759, 117518, 148213, 296426, 763867, 1527734, 9930271, 19860542]

約数ペア:

[(1, 19860542), (2, 9930271), (13, 1527734), (26, 763867), (67, 296426), (134, 148213), (169, 117518), (338, 58759), (871, 22802), (877, 22646), (1742, 11401), (1754, 11323)]