18583587

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{20857}}^1$

素因数の和:20880

約数の個数: 20

約数和(自身を含む): 30285816

約数和(自身を除く): 11702229

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 20857, 62571, 187713, 229427, 563139, 688281, 1689417, 2064843, 6194529, 18583587]

約数ペア:

[(1, 18583587), (3, 6194529), (9, 2064843), (11, 1689417), (27, 688281), (33, 563139), (81, 229427), (99, 187713), (297, 62571), (891, 20857)]