18385070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{421}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 36278496

約数和(自身を除く): 17893426

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 397, 421, 794, 842, 1985, 2105, 3970, 4210, 4367, 4631, 8734, 9262, 21835, 23155, 43670, 46310, 167137, 334274, 835685, 1671370, 1838507, 3677014, 9192535, 18385070]

約数ペア:

[(1, 18385070), (2, 9192535), (5, 3677014), (10, 1838507), (11, 1671370), (22, 835685), (55, 334274), (110, 167137), (397, 46310), (421, 43670), (794, 23155), (842, 21835), (1985, 9262), (2105, 8734), (3970, 4631), (4210, 4367)]