19502395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2551}}^1$

素因数の和:2706

約数の個数: 16

約数和(自身を含む): 25724160

約数和(自身を除く): 6221765

約数列:

[1, 5, 11, 55, 139, 695, 1529, 2551, 7645, 12755, 28061, 140305, 354589, 1772945, 3900479, 19502395]

約数ペア:

[(1, 19502395), (5, 3900479), (11, 1772945), (55, 354589), (139, 140305), (695, 28061), (1529, 12755), (2551, 7645)]