19239492080

素因数分解:

$2^4\times 5^1\times {\mathrm{240493651}}^1$

素因数の和:240493664

約数の個数: 20

約数和(自身を含む): 44731819272

約数和(自身を除く): 25492327192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 240493651, 480987302, 961974604, 1202468255, 1923949208, 2404936510, 3847898416, 4809873020, 9619746040, 19239492080]

約数ペア:

[(1, 19239492080), (2, 9619746040), (4, 4809873020), (5, 3847898416), (8, 2404936510), (10, 1923949208), (16, 1202468255), (20, 961974604), (40, 480987302), (80, 240493651)]