190808217620

素因数分解:

$2^2\times 5^1\times {\mathrm{9540410881}}^1$

素因数の和:9540410890

約数の個数: 12

約数和(自身を含む): 400697257044

約数和(自身を除く): 209889039424

約数列:

[1, 2, 4, 5, 10, 20, 9540410881, 19080821762, 38161643524, 47702054405, 95404108810, 190808217620]

約数ペア:

[(1, 190808217620), (2, 95404108810), (4, 47702054405), (5, 38161643524), (10, 19080821762), (20, 9540410881)]