19024990

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4519}}^1$

素因数の和:4947

約数の個数: 16

約数和(自身を含む): 34333920

約数和(自身を除く): 15308930

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 4519, 9038, 22595, 45190, 1902499, 3804998, 9512495, 19024990]

約数ペア:

[(1, 19024990), (2, 9512495), (5, 3804998), (10, 1902499), (421, 45190), (842, 22595), (2105, 9038), (4210, 4519)]