19496510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^2$

素因数の和:860

約数の個数: 24

約数和(自身を含む): 38375208

約数和(自身を除く): 18878698

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 421, 842, 2105, 4210, 4631, 9262, 23155, 46310, 177241, 354482, 886205, 1772410, 1949651, 3899302, 9748255, 19496510]

約数ペア:

[(1, 19496510), (2, 9748255), (5, 3899302), (10, 1949651), (11, 1772410), (22, 886205), (55, 354482), (110, 177241), (421, 46310), (842, 23155), (2105, 9262), (4210, 4631)]