18653740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133241}}^1$

素因数の和:133257

約数の個数: 24

約数和(自身を含む): 44769312

約数和(自身を除く): 26115572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133241, 266482, 532964, 666205, 932687, 1332410, 1865374, 2664820, 3730748, 4663435, 9326870, 18653740]

約数ペア:

[(1, 18653740), (2, 9326870), (4, 4663435), (5, 3730748), (7, 2664820), (10, 1865374), (14, 1332410), (20, 932687), (28, 666205), (35, 532964), (70, 266482), (140, 133241)]