18808212896

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{66541}}^1$

素因数の和:66646

約数の個数: 72

約数和(自身を含む): 41259100932

約数和(自身を除く): 22450888036

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 73, 88, 121, 146, 176, 242, 292, 352, 484, 584, 803, 968, 1168, 1606, 1936, 2336, 3212, 3872, 6424, 8833, 12848, 17666, 25696, 35332, 66541, 70664, 133082, 141328, 266164, 282656, 532328, 731951, 1064656, 1463902, 2129312, 2927804, 4857493, 5855608, 8051461, 9714986, 11711216, 16102922, 19429972, 23422432, 32205844, 38859944, 53432423, 64411688, 77719888, 106864846, 128823376, 155439776, 213729692, 257646752, 427459384, 587756653, 854918768, 1175513306, 1709837536, 2351026612, 4702053224, 9404106448, 18808212896]

約数ペア:

[(1, 18808212896), (2, 9404106448), (4, 4702053224), (8, 2351026612), (11, 1709837536), (16, 1175513306), (22, 854918768), (32, 587756653), (44, 427459384), (73, 257646752), (88, 213729692), (121, 155439776), (146, 128823376), (176, 106864846), (242, 77719888), (292, 64411688), (352, 53432423), (484, 38859944), (584, 32205844), (803, 23422432), (968, 19429972), (1168, 16102922), (1606, 11711216), (1936, 9714986), (2336, 8051461), (3212, 5855608), (3872, 4857493), (6424, 2927804), (8833, 2129312), (12848, 1463902), (17666, 1064656), (25696, 731951), (35332, 532328), (66541, 282656), (70664, 266164), (133082, 141328)]