19783851

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{727}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 27116544

約数和(自身を除く): 7332693

約数列:

[1, 3, 47, 141, 193, 579, 727, 2181, 9071, 27213, 34169, 102507, 140311, 420933, 6594617, 19783851]

約数ペア:

[(1, 19783851), (3, 6594617), (47, 420933), (141, 140311), (193, 102507), (579, 34169), (727, 27213), (2181, 9071)]