19816029

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10337}}^1$

素因数の和:10417

約数の個数: 16

約数和(自身を含む): 29773440

約数和(自身を除く): 9957411

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10337, 31011, 93033, 279099, 733927, 2201781, 6605343, 19816029]

約数ペア:

[(1, 19816029), (3, 6605343), (9, 2201781), (27, 733927), (71, 279099), (213, 93033), (639, 31011), (1917, 10337)]