19880458066

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{120823}}^1$

素因数の和:120935

約数の個数: 48

約数和(自身を含む): 36693765504

約数和(自身を除く): 16813307438

約数列:

[1, 2, 7, 14, 23, 46, 49, 73, 98, 146, 161, 322, 511, 1022, 1127, 1679, 2254, 3358, 3577, 7154, 11753, 23506, 82271, 120823, 164542, 241646, 845761, 1691522, 2778929, 5557858, 5920327, 8820079, 11840654, 17640158, 19452503, 38905006, 61740553, 123481106, 136167521, 202861817, 272335042, 405723634, 432183871, 864367742, 1420032719, 2840065438, 9940229033, 19880458066]

約数ペア:

[(1, 19880458066), (2, 9940229033), (7, 2840065438), (14, 1420032719), (23, 864367742), (46, 432183871), (49, 405723634), (73, 272335042), (98, 202861817), (146, 136167521), (161, 123481106), (322, 61740553), (511, 38905006), (1022, 19452503), (1127, 17640158), (1679, 11840654), (2254, 8820079), (3358, 5920327), (3577, 5557858), (7154, 2778929), (11753, 1691522), (23506, 845761), (82271, 241646), (120823, 164542)]