18909242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{4363}}^1$

素因数の和:4573

約数の個数: 16

約数和(自身を含む): 31106592

約数和(自身を除く): 12197350

約数列:

[1, 2, 11, 22, 197, 394, 2167, 4334, 4363, 8726, 47993, 95986, 859511, 1719022, 9454621, 18909242]

約数ペア:

[(1, 18909242), (2, 9454621), (11, 1719022), (22, 859511), (197, 95986), (394, 47993), (2167, 8726), (4334, 4363)]