18019935

素因数分解:

$3^3\times 5^1\times {\mathrm{133481}}^1$

素因数の和:133495

約数の個数: 16

約数和(自身を含む): 32035680

約数和(自身を除く): 14015745

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 133481, 400443, 667405, 1201329, 2002215, 3603987, 6006645, 18019935]

約数ペア:

[(1, 18019935), (3, 6006645), (5, 3603987), (9, 2002215), (15, 1201329), (27, 667405), (45, 400443), (135, 133481)]