19231540

素因数分解:

$2^2\times 5^1\times {\mathrm{953}}^1\times {\mathrm{1009}}^1$

素因数の和:1971

約数の個数: 24

約数和(自身を含む): 40468680

約数和(自身を除く): 21237140

約数列:

[1, 2, 4, 5, 10, 20, 953, 1009, 1906, 2018, 3812, 4036, 4765, 5045, 9530, 10090, 19060, 20180, 961577, 1923154, 3846308, 4807885, 9615770, 19231540]

約数ペア:

[(1, 19231540), (2, 9615770), (4, 4807885), (5, 3846308), (10, 1923154), (20, 961577), (953, 20180), (1009, 19060), (1906, 10090), (2018, 9530), (3812, 5045), (4036, 4765)]