18335391280

素因数分解:

$2^4\times 5^1\times {\mathrm{229192391}}^1$

素因数の和:229192404

約数の個数: 20

約数和(自身を含む): 42629784912

約数和(自身を除く): 24294393632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229192391, 458384782, 916769564, 1145961955, 1833539128, 2291923910, 3667078256, 4583847820, 9167695640, 18335391280]

約数ペア:

[(1, 18335391280), (2, 9167695640), (4, 4583847820), (5, 3667078256), (8, 2291923910), (10, 1833539128), (16, 1145961955), (20, 916769564), (40, 458384782), (80, 229192391)]