18581901

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28027}}^1$

素因数の和:28060

約数の個数: 16

約数和(自身を含む): 28252224

約数和(自身を除く): 9670323

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 28027, 84081, 364351, 476459, 1093053, 1429377, 6193967, 18581901]

約数ペア:

[(1, 18581901), (3, 6193967), (13, 1429377), (17, 1093053), (39, 476459), (51, 364351), (221, 84081), (663, 28027)]