18448569

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{28871}}^1$

素因数の和:28948

約数の個数: 12

約数和(自身を含む): 27024192

約数和(自身を除く): 8575623

約数列:

[1, 3, 9, 71, 213, 639, 28871, 86613, 259839, 2049841, 6149523, 18448569]

約数ペア:

[(1, 18448569), (3, 6149523), (9, 2049841), (71, 259839), (213, 86613), (639, 28871)]