19878598

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{5393}}^1$

素因数の和:5511

約数の個数: 16

約数和(自身を含む): 31716720

約数和(自身を除く): 11838122

約数列:

[1, 2, 19, 38, 97, 194, 1843, 3686, 5393, 10786, 102467, 204934, 523121, 1046242, 9939299, 19878598]

約数ペア:

[(1, 19878598), (2, 9939299), (19, 1046242), (38, 523121), (97, 204934), (194, 102467), (1843, 10786), (3686, 5393)]