19999272

素因数分解:

$2^3\times 3^1\times {\mathrm{397}}^1\times {\mathrm{2099}}^1$

素因数の和:2505

約数の個数: 32

約数和(自身を含む): 50148000

約数和(自身を除く): 30148728

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 397, 794, 1191, 1588, 2099, 2382, 3176, 4198, 4764, 6297, 8396, 9528, 12594, 16792, 25188, 50376, 833303, 1666606, 2499909, 3333212, 4999818, 6666424, 9999636, 19999272]

約数ペア:

[(1, 19999272), (2, 9999636), (3, 6666424), (4, 4999818), (6, 3333212), (8, 2499909), (12, 1666606), (24, 833303), (397, 50376), (794, 25188), (1191, 16792), (1588, 12594), (2099, 9528), (2382, 8396), (3176, 6297), (4198, 4764)]