18907689

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{2143}}^1$

素因数の和:2336

約数の個数: 16

約数和(自身を含む): 26860032

約数和(自身を除く): 7952343

約数列:

[1, 3, 17, 51, 173, 519, 2143, 2941, 6429, 8823, 36431, 109293, 370739, 1112217, 6302563, 18907689]

約数ペア:

[(1, 18907689), (3, 6302563), (17, 1112217), (51, 370739), (173, 109293), (519, 36431), (2143, 8823), (2941, 6429)]