18789727

素因数分解:

${\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{743}}^1$

素因数の和:795

約数の個数: 16

約数和(自身を含む): 21784320

約数和(自身を除く): 2994593

約数列:

[1, 11, 19, 121, 209, 743, 1331, 2299, 8173, 14117, 25289, 89903, 155287, 988933, 1708157, 18789727]

約数ペア:

[(1, 18789727), (11, 1708157), (19, 988933), (121, 155287), (209, 89903), (743, 25289), (1331, 14117), (2299, 8173)]