19800243

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{709}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 29905200

約数和(自身を除く): 10104957

約数列:

[1, 3, 9, 29, 87, 107, 261, 321, 709, 963, 2127, 3103, 6381, 9309, 20561, 27927, 61683, 75863, 185049, 227589, 682767, 2200027, 6600081, 19800243]

約数ペア:

[(1, 19800243), (3, 6600081), (9, 2200027), (29, 682767), (87, 227589), (107, 185049), (261, 75863), (321, 61683), (709, 27927), (963, 20561), (2127, 9309), (3103, 6381)]