18857810

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{40123}}^1$

素因数の和:40177

約数の個数: 16

約数和(自身を含む): 34667136

約数和(自身を除く): 15809326

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 40123, 80246, 200615, 401230, 1885781, 3771562, 9428905, 18857810]

約数ペア:

[(1, 18857810), (2, 9428905), (5, 3771562), (10, 1885781), (47, 401230), (94, 200615), (235, 80246), (470, 40123)]