19658889

素因数分解:

$3^3\times {\mathrm{103}}^1\times {\mathrm{7069}}^1$

素因数の和:7181

約数の個数: 16

約数和(自身を含む): 29411200

約数和(自身を除く): 9752311

約数列:

[1, 3, 9, 27, 103, 309, 927, 2781, 7069, 21207, 63621, 190863, 728107, 2184321, 6552963, 19658889]

約数ペア:

[(1, 19658889), (3, 6552963), (9, 2184321), (27, 728107), (103, 190863), (309, 63621), (927, 21207), (2781, 7069)]