19994888

素因数分解:

$2^3\times {\mathrm{647}}^1\times {\mathrm{3863}}^1$

素因数の和:4516

約数の個数: 16

約数和(自身を含む): 37558080

約数和(自身を除く): 17563192

約数列:

[1, 2, 4, 8, 647, 1294, 2588, 3863, 5176, 7726, 15452, 30904, 2499361, 4998722, 9997444, 19994888]

約数ペア:

[(1, 19994888), (2, 9997444), (4, 4998722), (8, 2499361), (647, 30904), (1294, 15452), (2588, 7726), (3863, 5176)]