18683780

素因数分解:

$2^2\times 5^1\times {\mathrm{937}}^1\times {\mathrm{997}}^1$

素因数の和:1943

約数の個数: 24

約数和(自身を含む): 39317208

約数和(自身を除く): 20633428

約数列:

[1, 2, 4, 5, 10, 20, 937, 997, 1874, 1994, 3748, 3988, 4685, 4985, 9370, 9970, 18740, 19940, 934189, 1868378, 3736756, 4670945, 9341890, 18683780]

約数ペア:

[(1, 18683780), (2, 9341890), (4, 4670945), (5, 3736756), (10, 1868378), (20, 934189), (937, 19940), (997, 18740), (1874, 9970), (1994, 9370), (3748, 4985), (3988, 4685)]