40943518

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2045

約数の個数: 48

約数和(自身を含む): 82080000

約数和(自身を除く): 41136482

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 133, 154, 209, 266, 418, 539, 931, 1078, 1463, 1862, 1999, 2926, 3998, 10241, 13993, 20482, 21989, 27986, 37981, 43978, 75962, 97951, 153923, 195902, 265867, 307846, 417791, 531734, 835582, 1077461, 1861069, 2154922, 2924537, 3722138, 5849074, 20471759, 40943518]

約数ペア:

[(1, 40943518), (2, 20471759), (7, 5849074), (11, 3722138), (14, 2924537), (19, 2154922), (22, 1861069), (38, 1077461), (49, 835582), (77, 531734), (98, 417791), (133, 307846), (154, 265867), (209, 195902), (266, 153923), (418, 97951), (539, 75962), (931, 43978), (1078, 37981), (1463, 27986), (1862, 21989), (1999, 20482), (2926, 13993), (3998, 10241)]