18236959

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^2$

素因数の和:175

約数の個数: 18

約数和(自身を含む): 20736096

約数和(自身を除く): 2499137

約数列:

[1, 13, 31, 59, 169, 403, 767, 1829, 3481, 5239, 9971, 23777, 45253, 107911, 309101, 588289, 1402843, 18236959]

約数ペア:

[(1, 18236959), (13, 1402843), (31, 588289), (59, 309101), (169, 107911), (403, 45253), (767, 23777), (1829, 9971), (3481, 5239)]