18125660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{129469}}^1$

素因数の和:129485

約数の個数: 24

約数和(自身を含む): 43501920

約数和(自身を除く): 25376260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 129469, 258938, 517876, 647345, 906283, 1294690, 1812566, 2589380, 3625132, 4531415, 9062830, 18125660]

約数ペア:

[(1, 18125660), (2, 9062830), (4, 4531415), (5, 3625132), (7, 2589380), (10, 1812566), (14, 1294690), (20, 906283), (28, 647345), (35, 517876), (70, 258938), (140, 129469)]