19887127

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{107}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 23705136

約数和(自身を除く): 3818009

約数列:

[1, 13, 17, 29, 107, 221, 377, 493, 841, 1391, 1819, 3103, 6409, 10933, 14297, 23647, 40339, 52751, 89987, 185861, 685763, 1169831, 1529779, 19887127]

約数ペア:

[(1, 19887127), (13, 1529779), (17, 1169831), (29, 685763), (107, 185861), (221, 89987), (377, 52751), (493, 40339), (841, 23647), (1391, 14297), (1819, 10933), (3103, 6409)]