19383640

素因数分解:

$2^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{809}}^1$

素因数の和:1419

約数の個数: 32

約数和(自身を含む): 43740000

約数和(自身を除く): 24356360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 599, 809, 1198, 1618, 2396, 2995, 3236, 4045, 4792, 5990, 6472, 8090, 11980, 16180, 23960, 32360, 484591, 969182, 1938364, 2422955, 3876728, 4845910, 9691820, 19383640]

約数ペア:

[(1, 19383640), (2, 9691820), (4, 4845910), (5, 3876728), (8, 2422955), (10, 1938364), (20, 969182), (40, 484591), (599, 32360), (809, 23960), (1198, 16180), (1618, 11980), (2396, 8090), (2995, 6472), (3236, 5990), (4045, 4792)]