18811562

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 37822464

約数和(自身を除く): 19010902

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 47, 77, 94, 113, 154, 161, 226, 253, 322, 329, 506, 517, 658, 791, 1034, 1081, 1243, 1582, 1771, 2162, 2486, 2599, 3542, 3619, 5198, 5311, 7238, 7567, 8701, 10622, 11891, 15134, 17402, 18193, 23782, 28589, 36386, 37177, 57178, 58421, 74354, 83237, 116842, 122153, 166474, 200123, 244306, 400246, 408947, 817894, 855071, 1343683, 1710142, 2687366, 9405781, 18811562]

約数ペア:

[(1, 18811562), (2, 9405781), (7, 2687366), (11, 1710142), (14, 1343683), (22, 855071), (23, 817894), (46, 408947), (47, 400246), (77, 244306), (94, 200123), (113, 166474), (154, 122153), (161, 116842), (226, 83237), (253, 74354), (322, 58421), (329, 57178), (506, 37177), (517, 36386), (658, 28589), (791, 23782), (1034, 18193), (1081, 17402), (1243, 15134), (1582, 11891), (1771, 10622), (2162, 8701), (2486, 7567), (2599, 7238), (3542, 5311), (3619, 5198)]