18124540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{129461}}^1$

素因数の和:129477

約数の個数: 24

約数和(自身を含む): 43499232

約数和(自身を除く): 25374692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 129461, 258922, 517844, 647305, 906227, 1294610, 1812454, 2589220, 3624908, 4531135, 9062270, 18124540]

約数ペア:

[(1, 18124540), (2, 9062270), (4, 4531135), (5, 3624908), (7, 2589220), (10, 1812454), (14, 1294610), (20, 906227), (28, 647305), (35, 517844), (70, 258922), (140, 129461)]