1920191812

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{24071}}^1$

素因数の和:24137

約数の個数: 72

約数和(自身を含む): 4379755968

約数和(自身を除く): 2459564156

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 49, 74, 77, 98, 148, 154, 196, 259, 308, 407, 518, 539, 814, 1036, 1078, 1628, 1813, 2156, 2849, 3626, 5698, 7252, 11396, 19943, 24071, 39886, 48142, 79772, 96284, 168497, 264781, 336994, 529562, 673988, 890627, 1059124, 1179479, 1781254, 1853467, 2358958, 3562508, 3706934, 4717916, 6234389, 7413868, 9796897, 12468778, 12974269, 19593794, 24937556, 25948538, 39187588, 43640723, 51897076, 68578279, 87281446, 137156558, 174562892, 274313116, 480047953, 960095906, 1920191812]

約数ペア:

[(1, 1920191812), (2, 960095906), (4, 480047953), (7, 274313116), (11, 174562892), (14, 137156558), (22, 87281446), (28, 68578279), (37, 51897076), (44, 43640723), (49, 39187588), (74, 25948538), (77, 24937556), (98, 19593794), (148, 12974269), (154, 12468778), (196, 9796897), (259, 7413868), (308, 6234389), (407, 4717916), (518, 3706934), (539, 3562508), (814, 2358958), (1036, 1853467), (1078, 1781254), (1628, 1179479), (1813, 1059124), (2156, 890627), (2849, 673988), (3626, 529562), (5698, 336994), (7252, 264781), (11396, 168497), (19943, 96284), (24071, 79772), (39886, 48142)]