18505186

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 32917248

約数和(自身を除く): 14412062

約数列:

[1, 2, 7, 14, 41, 82, 103, 206, 287, 313, 574, 626, 721, 1442, 2191, 4223, 4382, 8446, 12833, 25666, 29561, 32239, 59122, 64478, 89831, 179662, 225673, 451346, 1321799, 2643598, 9252593, 18505186]

約数ペア:

[(1, 18505186), (2, 9252593), (7, 2643598), (14, 1321799), (41, 451346), (82, 225673), (103, 179662), (206, 89831), (287, 64478), (313, 59122), (574, 32239), (626, 29561), (721, 25666), (1442, 12833), (2191, 8446), (4223, 4382)]