19154157

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3697}}^1$

素因数の和:3868

約数の個数: 16

約数和(自身を含む): 28045632

約数和(自身を除く): 8891475

約数列:

[1, 3, 11, 33, 157, 471, 1727, 3697, 5181, 11091, 40667, 122001, 580429, 1741287, 6384719, 19154157]

約数ペア:

[(1, 19154157), (3, 6384719), (11, 1741287), (33, 580429), (157, 122001), (471, 40667), (1727, 11091), (3697, 5181)]