19208917

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4909}}^1$

素因数の和:4972

約数の個数: 16

約数和(自身を含む): 24196480

約数和(自身を除く): 4987563

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 4909, 34363, 63817, 211087, 446719, 1477609, 2744131, 19208917]

約数ペア:

[(1, 19208917), (7, 2744131), (13, 1477609), (43, 446719), (91, 211087), (301, 63817), (559, 34363), (3913, 4909)]