18842740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134591}}^1$

素因数の和:134607

約数の個数: 24

約数和(自身を含む): 45222912

約数和(自身を除く): 26380172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134591, 269182, 538364, 672955, 942137, 1345910, 1884274, 2691820, 3768548, 4710685, 9421370, 18842740]

約数ペア:

[(1, 18842740), (2, 9421370), (4, 4710685), (5, 3768548), (7, 2691820), (10, 1884274), (14, 1345910), (20, 942137), (28, 672955), (35, 538364), (70, 269182), (140, 134591)]