19976590

素因数分解:

$2^1\times 5^1\times {\mathrm{839}}^1\times {\mathrm{2381}}^1$

素因数の和:3227

約数の個数: 16

約数和(自身を含む): 36015840

約数和(自身を除く): 16039250

約数列:

[1, 2, 5, 10, 839, 1678, 2381, 4195, 4762, 8390, 11905, 23810, 1997659, 3995318, 9988295, 19976590]

約数ペア:

[(1, 19976590), (2, 9988295), (5, 3995318), (10, 1997659), (839, 23810), (1678, 11905), (2381, 8390), (4195, 4762)]