19128069

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{2207}}^1$

素因数の和:2326

約数の個数: 20

約数和(自身を含む): 28854144

約数和(自身を除く): 9726075

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2207, 2889, 6621, 8667, 19863, 59589, 178767, 236149, 708447, 2125341, 6376023, 19128069]

約数ペア:

[(1, 19128069), (3, 6376023), (9, 2125341), (27, 708447), (81, 236149), (107, 178767), (321, 59589), (963, 19863), (2207, 8667), (2889, 6621)]