19910104

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{35053}}^1$

素因数の和:35130

約数の個数: 16

約数和(自身を含む): 37858320

約数和(自身を除く): 17948216

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 35053, 70106, 140212, 280424, 2488763, 4977526, 9955052, 19910104]

約数ペア:

[(1, 19910104), (2, 9955052), (4, 4977526), (8, 2488763), (71, 280424), (142, 140212), (284, 70106), (568, 35053)]