18366588891

素因数分解:

$3^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{314491}}^1$

素因数の和:314613

約数の個数: 40

約数和(自身を含む): 31660538624

約数和(自身を除く): 13293949733

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 103, 189, 309, 567, 721, 927, 2163, 2781, 6489, 8343, 19467, 58401, 314491, 943473, 2201437, 2830419, 6604311, 8491257, 19812933, 25473771, 32392573, 59438799, 97177719, 178316397, 226748011, 291533157, 680244033, 874599471, 2040732099, 2623798413, 6122196297, 18366588891]

約数ペア:

[(1, 18366588891), (3, 6122196297), (7, 2623798413), (9, 2040732099), (21, 874599471), (27, 680244033), (63, 291533157), (81, 226748011), (103, 178316397), (189, 97177719), (309, 59438799), (567, 32392573), (721, 25473771), (927, 19812933), (2163, 8491257), (2781, 6604311), (6489, 2830419), (8343, 2201437), (19467, 943473), (58401, 314491)]