19949661009

素因数分解:

$3^2\times {\mathrm{2591}}^1\times {\mathrm{855511}}^1$

素因数の和:858108

約数の個数: 12

約数和(自身を含む): 28827332352

約数和(自身を除く): 8877671343

約数列:

[1, 3, 9, 2591, 7773, 23319, 855511, 2566533, 7699599, 2216629001, 6649887003, 19949661009]

約数ペア:

[(1, 19949661009), (3, 6649887003), (9, 2216629001), (2591, 7699599), (7773, 2566533), (23319, 855511)]