19198101

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{5531}}^1$

素因数の和:5636

約数の個数: 16

約数和(自身を含む): 27881280

約数和(自身を除く): 8683179

約数列:

[1, 3, 13, 39, 89, 267, 1157, 3471, 5531, 16593, 71903, 215709, 492259, 1476777, 6399367, 19198101]

約数ペア:

[(1, 19198101), (3, 6399367), (13, 1476777), (39, 492259), (89, 215709), (267, 71903), (1157, 16593), (3471, 5531)]