19657189827

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{523}}^1\times {\mathrm{857}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 31140540288

約数和(自身を除く): 11483350461

約数列:

[1, 3, 9, 11, 33, 99, 443, 523, 857, 1329, 1569, 2571, 3987, 4707, 4873, 5753, 7713, 9427, 14619, 17259, 28281, 43857, 51777, 84843, 231689, 379651, 448211, 695067, 1138953, 1344633, 2085201, 2548579, 3416859, 4033899, 4176161, 4930321, 7645737, 12528483, 14790963, 22937211, 37585449, 44372889, 198557473, 595672419, 1787017257, 2184132203, 6552396609, 19657189827]

約数ペア:

[(1, 19657189827), (3, 6552396609), (9, 2184132203), (11, 1787017257), (33, 595672419), (99, 198557473), (443, 44372889), (523, 37585449), (857, 22937211), (1329, 14790963), (1569, 12528483), (2571, 7645737), (3987, 4930321), (4707, 4176161), (4873, 4033899), (5753, 3416859), (7713, 2548579), (9427, 2085201), (14619, 1344633), (17259, 1138953), (28281, 695067), (43857, 448211), (51777, 379651), (84843, 231689)]