19721449

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{743}}^1$

素因数の和:900

約数の個数: 16

約数和(自身を含む): 22855680

約数和(自身を除く): 3134231

約数列:

[1, 11, 19, 127, 209, 743, 1397, 2413, 8173, 14117, 26543, 94361, 155287, 1037971, 1792859, 19721449]

約数ペア:

[(1, 19721449), (11, 1792859), (19, 1037971), (127, 155287), (209, 94361), (743, 26543), (1397, 14117), (2413, 8173)]