18758660

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{13999}}^1$

素因数の和:14075

約数の個数: 24

約数和(自身を含む): 39984000

約数和(自身を除く): 21225340

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 13999, 27998, 55996, 69995, 139990, 279980, 937933, 1875866, 3751732, 4689665, 9379330, 18758660]

約数ペア:

[(1, 18758660), (2, 9379330), (4, 4689665), (5, 3751732), (10, 1875866), (20, 937933), (67, 279980), (134, 139990), (268, 69995), (335, 55996), (670, 27998), (1340, 13999)]