19906696

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 38335680

約数和(自身を除く): 18428984

約数列:

[1, 2, 4, 8, 71, 101, 142, 202, 284, 347, 404, 568, 694, 808, 1388, 2776, 7171, 14342, 24637, 28684, 35047, 49274, 57368, 70094, 98548, 140188, 197096, 280376, 2488337, 4976674, 9953348, 19906696]

約数ペア:

[(1, 19906696), (2, 9953348), (4, 4976674), (8, 2488337), (71, 280376), (101, 197096), (142, 140188), (202, 98548), (284, 70094), (347, 57368), (404, 49274), (568, 35047), (694, 28684), (808, 24637), (1388, 14342), (2776, 7171)]