19248740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137491}}^1$

素因数の和:137507

約数の個数: 24

約数和(自身を含む): 46197312

約数和(自身を除く): 26948572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137491, 274982, 549964, 687455, 962437, 1374910, 1924874, 2749820, 3849748, 4812185, 9624370, 19248740]

約数ペア:

[(1, 19248740), (2, 9624370), (4, 4812185), (5, 3849748), (7, 2749820), (10, 1924874), (14, 1374910), (20, 962437), (28, 687455), (35, 549964), (70, 274982), (140, 137491)]