19542087

素因数分解:

$3^3\times {\mathrm{103}}^1\times {\mathrm{7027}}^1$

素因数の和:7139

約数の個数: 16

約数和(自身を含む): 29236480

約数和(自身を除く): 9694393

約数列:

[1, 3, 9, 27, 103, 309, 927, 2781, 7027, 21081, 63243, 189729, 723781, 2171343, 6514029, 19542087]

約数ペア:

[(1, 19542087), (3, 6514029), (9, 2171343), (27, 723781), (103, 189729), (309, 63243), (927, 21081), (2781, 7027)]