19844510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{40499}}^1$

素因数の和:40520

約数の個数: 24

約数和(自身を含む): 41553000

約数和(自身を除く): 21708490

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 40499, 80998, 202495, 283493, 404990, 566986, 1417465, 1984451, 2834930, 3968902, 9922255, 19844510]

約数ペア:

[(1, 19844510), (2, 9922255), (5, 3968902), (7, 2834930), (10, 1984451), (14, 1417465), (35, 566986), (49, 404990), (70, 283493), (98, 202495), (245, 80998), (490, 40499)]