19952416

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{5153}}^1$

素因数の和:5185

約数の個数: 36

約数和(自身を含む): 43185366

約数和(自身を除く): 23232950

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 5153, 10306, 20612, 41224, 56683, 82448, 113366, 164896, 226732, 453464, 623513, 906928, 1247026, 1813856, 2494052, 4988104, 9976208, 19952416]

約数ペア:

[(1, 19952416), (2, 9976208), (4, 4988104), (8, 2494052), (11, 1813856), (16, 1247026), (22, 906928), (32, 623513), (44, 453464), (88, 226732), (121, 164896), (176, 113366), (242, 82448), (352, 56683), (484, 41224), (968, 20612), (1936, 10306), (3872, 5153)]