19888348535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{17623}}^1$

素因数の和:17744

約数の個数: 48

約数和(自身を含む): 28048384512

約数和(自身を除く): 8160035977

約数列:

[1, 5, 11, 17, 55, 71, 85, 187, 289, 355, 781, 935, 1207, 1445, 3179, 3905, 6035, 13277, 15895, 17623, 20519, 66385, 88115, 102595, 193853, 225709, 299591, 969265, 1128545, 1251233, 1497955, 3295501, 5093047, 6256165, 13763563, 16477505, 21270961, 25465235, 56023517, 68817815, 106354805, 233980571, 280117585, 361606337, 1169902855, 1808031685, 3977669707, 19888348535]

約数ペア:

[(1, 19888348535), (5, 3977669707), (11, 1808031685), (17, 1169902855), (55, 361606337), (71, 280117585), (85, 233980571), (187, 106354805), (289, 68817815), (355, 56023517), (781, 25465235), (935, 21270961), (1207, 16477505), (1445, 13763563), (3179, 6256165), (3905, 5093047), (6035, 3295501), (13277, 1497955), (15895, 1251233), (17623, 1128545), (20519, 969265), (66385, 299591), (88115, 225709), (102595, 193853)]