19841305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5081}}^1$

素因数の和:5168

約数の個数: 16

約数和(自身を含む): 26345088

約数和(自身を除く): 6503783

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 5081, 25405, 55891, 279455, 360751, 1803755, 3968261, 19841305]

約数ペア:

[(1, 19841305), (5, 3968261), (11, 1803755), (55, 360751), (71, 279455), (355, 55891), (781, 25405), (3905, 5081)]