18818987

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{709}}^1$

素因数の和:866

約数の個数: 16

約数和(自身を含む): 21811200

約数和(自身を除く): 2992213

約数列:

[1, 11, 19, 127, 209, 709, 1397, 2413, 7799, 13471, 26543, 90043, 148181, 990473, 1710817, 18818987]

約数ペア:

[(1, 18818987), (11, 1710817), (19, 990473), (127, 148181), (209, 90043), (709, 26543), (1397, 13471), (2413, 7799)]