18685329

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28183}}^1$

素因数の和:28216

約数の個数: 16

約数和(自身を含む): 28409472

約数和(自身を除く): 9724143

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 28183, 84549, 366379, 479111, 1099137, 1437333, 6228443, 18685329]

約数ペア:

[(1, 18685329), (3, 6228443), (13, 1437333), (17, 1099137), (39, 479111), (51, 366379), (221, 84549), (663, 28183)]