18051740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{128941}}^1$

素因数の和:128957

約数の個数: 24

約数和(自身を含む): 43324512

約数和(自身を除く): 25272772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 128941, 257882, 515764, 644705, 902587, 1289410, 1805174, 2578820, 3610348, 4512935, 9025870, 18051740]

約数ペア:

[(1, 18051740), (2, 9025870), (4, 4512935), (5, 3610348), (7, 2578820), (10, 1805174), (14, 1289410), (20, 902587), (28, 644705), (35, 515764), (70, 257882), (140, 128941)]