18587637

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:275

約数の個数: 40

約数和(自身を含む): 29577240

約数和(自身を除く): 10989603

約数列:

[1, 3, 9, 27, 29, 41, 81, 87, 123, 193, 261, 369, 579, 783, 1107, 1189, 1737, 2349, 3321, 3567, 5211, 5597, 7913, 10701, 15633, 16791, 23739, 32103, 50373, 71217, 96309, 151119, 213651, 229477, 453357, 640953, 688431, 2065293, 6195879, 18587637]

約数ペア:

[(1, 18587637), (3, 6195879), (9, 2065293), (27, 688431), (29, 640953), (41, 453357), (81, 229477), (87, 213651), (123, 151119), (193, 96309), (261, 71217), (369, 50373), (579, 32103), (783, 23739), (1107, 16791), (1189, 15633), (1737, 10701), (2349, 7913), (3321, 5597), (3567, 5211)]