18079995

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28031}}^1$

素因数の和:28082

約数の個数: 16

約数和(自身を含む): 29601792

約数和(自身を除く): 11521797

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 28031, 84093, 140155, 420465, 1205333, 3615999, 6026665, 18079995]

約数ペア:

[(1, 18079995), (3, 6026665), (5, 3615999), (15, 1205333), (43, 420465), (129, 140155), (215, 84093), (645, 28031)]