18914553

素因数分解:

$3^4\times 7^1\times {\mathrm{33359}}^1$

素因数の和:33378

約数の個数: 20

約数和(自身を含む): 32292480

約数和(自身を除く): 13377927

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 33359, 100077, 233513, 300231, 700539, 900693, 2101617, 2702079, 6304851, 18914553]

約数ペア:

[(1, 18914553), (3, 6304851), (7, 2702079), (9, 2101617), (21, 900693), (27, 700539), (63, 300231), (81, 233513), (189, 100077), (567, 33359)]