19629621

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{22031}}^1$

素因数の和:22054

約数の個数: 20

約数和(自身を含む): 31990464

約数和(自身を除く): 12360843

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 22031, 66093, 198279, 242341, 594837, 727023, 1784511, 2181069, 6543207, 19629621]

約数ペア:

[(1, 19629621), (3, 6543207), (9, 2181069), (11, 1784511), (27, 727023), (33, 594837), (81, 242341), (99, 198279), (297, 66093), (891, 22031)]