18789753

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1289}}^1$

素因数の和:1448

約数の個数: 16

約数和(自身を含む): 25882560

約数和(自身を除く): 7092807

約数列:

[1, 3, 43, 113, 129, 339, 1289, 3867, 4859, 14577, 55427, 145657, 166281, 436971, 6263251, 18789753]

約数ペア:

[(1, 18789753), (3, 6263251), (43, 436971), (113, 166281), (129, 145657), (339, 55427), (1289, 14577), (3867, 4859)]