19827621

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 33546240

約数和(自身を除く): 13718619

約数列:

[1, 3, 9, 11, 19, 33, 57, 83, 99, 127, 171, 209, 249, 381, 627, 747, 913, 1143, 1397, 1577, 1881, 2413, 2739, 4191, 4731, 7239, 8217, 10541, 12573, 14193, 17347, 21717, 26543, 31623, 52041, 79629, 94869, 115951, 156123, 200279, 238887, 347853, 600837, 1043559, 1802511, 2203069, 6609207, 19827621]

約数ペア:

[(1, 19827621), (3, 6609207), (9, 2203069), (11, 1802511), (19, 1043559), (33, 600837), (57, 347853), (83, 238887), (99, 200279), (127, 156123), (171, 115951), (209, 94869), (249, 79629), (381, 52041), (627, 31623), (747, 26543), (913, 21717), (1143, 17347), (1397, 14193), (1577, 12573), (1881, 10541), (2413, 8217), (2739, 7239), (4191, 4731)]