19494992

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:707

約数の個数: 40

約数和(自身を含む): 41461632

約数和(自身を除く): 21966640

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 257, 431, 514, 862, 1028, 1724, 2056, 2827, 3448, 4112, 4741, 5654, 6896, 9482, 11308, 18964, 22616, 37928, 45232, 75856, 110767, 221534, 443068, 886136, 1218437, 1772272, 2436874, 4873748, 9747496, 19494992]

約数ペア:

[(1, 19494992), (2, 9747496), (4, 4873748), (8, 2436874), (11, 1772272), (16, 1218437), (22, 886136), (44, 443068), (88, 221534), (176, 110767), (257, 75856), (431, 45232), (514, 37928), (862, 22616), (1028, 18964), (1724, 11308), (2056, 9482), (2827, 6896), (3448, 5654), (4112, 4741)]