18880017

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{839}}^1$

素因数の和:1432

約数の個数: 16

約数和(自身を含む): 27189120

約数和(自身を除く): 8309103

約数列:

[1, 3, 13, 39, 577, 839, 1731, 2517, 7501, 10907, 22503, 32721, 484103, 1452309, 6293339, 18880017]

約数ペア:

[(1, 18880017), (3, 6293339), (13, 1452309), (39, 484103), (577, 32721), (839, 22503), (1731, 10907), (2517, 7501)]