19004928740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{135749491}}^1$

素因数の和:135749507

約数の個数: 24

約数和(自身を含む): 45611829312

約数和(自身を除く): 26606900572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 135749491, 271498982, 542997964, 678747455, 950246437, 1357494910, 1900492874, 2714989820, 3800985748, 4751232185, 9502464370, 19004928740]

約数ペア:

[(1, 19004928740), (2, 9502464370), (4, 4751232185), (5, 3800985748), (7, 2714989820), (10, 1900492874), (14, 1357494910), (20, 950246437), (28, 678747455), (35, 542997964), (70, 271498982), (140, 135749491)]