19819593

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{5281}}^1$

素因数の和:5429

約数の個数: 16

約数和(自身を含む): 29579200

約数和(自身を除く): 9759607

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 5281, 15843, 47529, 142587, 734059, 2202177, 6606531, 19819593]

約数ペア:

[(1, 19819593), (3, 6606531), (9, 2202177), (27, 734059), (139, 142587), (417, 47529), (1251, 15843), (3753, 5281)]