19944550

素因数分解:

$2^1\times 5^2\times {\mathrm{239}}^1\times {\mathrm{1669}}^1$

素因数の和:1920

約数の個数: 24

約数和(自身を含む): 37274400

約数和(自身を除く): 17329850

約数列:

[1, 2, 5, 10, 25, 50, 239, 478, 1195, 1669, 2390, 3338, 5975, 8345, 11950, 16690, 41725, 83450, 398891, 797782, 1994455, 3988910, 9972275, 19944550]

約数ペア:

[(1, 19944550), (2, 9972275), (5, 3988910), (10, 1994455), (25, 797782), (50, 398891), (239, 83450), (478, 41725), (1195, 16690), (1669, 11950), (2390, 8345), (3338, 5975)]