19727084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3911}}^1$

素因数の和:4025

約数の個数: 24

約数和(自身を含む): 37570848

約数和(自身を除く): 17843764

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 3911, 5044, 7822, 15644, 50843, 101686, 203372, 379367, 758734, 1517468, 4931771, 9863542, 19727084]

約数ペア:

[(1, 19727084), (2, 9863542), (4, 4931771), (13, 1517468), (26, 758734), (52, 379367), (97, 203372), (194, 101686), (388, 50843), (1261, 15644), (2522, 7822), (3911, 5044)]