19889030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{284129}}^1$

素因数の和:284143

約数の個数: 16

約数和(自身を含む): 40914720

約数和(自身を除く): 21025690

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 284129, 568258, 1420645, 1988903, 2841290, 3977806, 9944515, 19889030]

約数ペア:

[(1, 19889030), (2, 9944515), (5, 3977806), (7, 2841290), (10, 1988903), (14, 1420645), (35, 568258), (70, 284129)]