18066860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{129049}}^1$

素因数の和:129065

約数の個数: 24

約数和(自身を含む): 43360800

約数和(自身を除く): 25293940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 129049, 258098, 516196, 645245, 903343, 1290490, 1806686, 2580980, 3613372, 4516715, 9033430, 18066860]

約数ペア:

[(1, 18066860), (2, 9033430), (4, 4516715), (5, 3613372), (7, 2580980), (10, 1806686), (14, 1290490), (20, 903343), (28, 645245), (35, 516196), (70, 258098), (140, 129049)]