18822958

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:965

約数の個数: 48

約数和(自身を含む): 37756800

約数和(自身を除く): 18933842

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 133, 154, 209, 266, 418, 539, 919, 931, 1078, 1463, 1838, 1862, 2926, 6433, 10109, 10241, 12866, 17461, 20218, 20482, 34922, 45031, 70763, 90062, 122227, 141526, 192071, 244454, 384142, 495341, 855589, 990682, 1344497, 1711178, 2688994, 9411479, 18822958]

約数ペア:

[(1, 18822958), (2, 9411479), (7, 2688994), (11, 1711178), (14, 1344497), (19, 990682), (22, 855589), (38, 495341), (49, 384142), (77, 244454), (98, 192071), (133, 141526), (154, 122227), (209, 90062), (266, 70763), (418, 45031), (539, 34922), (919, 20482), (931, 20218), (1078, 17461), (1463, 12866), (1838, 10241), (1862, 10109), (2926, 6433)]