18121580

素因数分解:

$2^2\times 5^1\times {\mathrm{937}}^1\times {\mathrm{967}}^1$

素因数の和:1913

約数の個数: 24

約数和(自身を含む): 38135328

約数和(自身を除く): 20013748

約数列:

[1, 2, 4, 5, 10, 20, 937, 967, 1874, 1934, 3748, 3868, 4685, 4835, 9370, 9670, 18740, 19340, 906079, 1812158, 3624316, 4530395, 9060790, 18121580]

約数ペア:

[(1, 18121580), (2, 9060790), (4, 4530395), (5, 3624316), (10, 1812158), (20, 906079), (937, 19340), (967, 18740), (1874, 9670), (1934, 9370), (3748, 4835), (3868, 4685)]