18761158

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 31512096

約数和(自身を除く): 12750938

約数列:

[1, 2, 13, 26, 43, 86, 97, 173, 194, 346, 559, 1118, 1261, 2249, 2522, 4171, 4498, 7439, 8342, 14878, 16781, 33562, 54223, 96707, 108446, 193414, 218153, 436306, 721583, 1443166, 9380579, 18761158]

約数ペア:

[(1, 18761158), (2, 9380579), (13, 1443166), (26, 721583), (43, 436306), (86, 218153), (97, 193414), (173, 108446), (194, 96707), (346, 54223), (559, 33562), (1118, 16781), (1261, 14878), (2249, 8342), (2522, 7439), (4171, 4498)]