18891657

素因数分解:

$3^3\times {\mathrm{359}}^1\times {\mathrm{1949}}^1$

素因数の和:2317

約数の個数: 16

約数和(自身を含む): 28080000

約数和(自身を除く): 9188343

約数列:

[1, 3, 9, 27, 359, 1077, 1949, 3231, 5847, 9693, 17541, 52623, 699691, 2099073, 6297219, 18891657]

約数ペア:

[(1, 18891657), (3, 6297219), (9, 2099073), (27, 699691), (359, 52623), (1077, 17541), (1949, 9693), (3231, 5847)]