18996820911

素因数分解:

$3^2\times {\mathrm{151}}^1\times {\mathrm{197}}^1\times {\mathrm{70957}}^1$

素因数の和:71311

約数の個数: 24

約数和(自身を含む): 27762175584

約数和(自身を除く): 8765354673

約数列:

[1, 3, 9, 151, 197, 453, 591, 1359, 1773, 29747, 70957, 89241, 212871, 267723, 638613, 10714507, 13978529, 32143521, 41935587, 96430563, 125806761, 2110757879, 6332273637, 18996820911]

約数ペア:

[(1, 18996820911), (3, 6332273637), (9, 2110757879), (151, 125806761), (197, 96430563), (453, 41935587), (591, 32143521), (1359, 13978529), (1773, 10714507), (29747, 638613), (70957, 267723), (89241, 212871)]