18664139

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1670

約数の個数: 16

約数和(自身を含む): 21477120

約数和(自身を除く): 2812981

約数列:

[1, 13, 29, 31, 377, 403, 899, 1597, 11687, 20761, 46313, 49507, 602069, 643591, 1435703, 18664139]

約数ペア:

[(1, 18664139), (13, 1435703), (29, 643591), (31, 602069), (377, 49507), (403, 46313), (899, 20761), (1597, 11687)]