19009874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4657}}^1$

素因数の和:4829

約数の個数: 16

約数和(自身を含む): 30910488

約数和(自身を除く): 11900614

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 4657, 9314, 60541, 121082, 731149, 1462298, 9504937, 19009874]

約数ペア:

[(1, 19009874), (2, 9504937), (13, 1462298), (26, 731149), (157, 121082), (314, 60541), (2041, 9314), (4082, 4657)]