18795693

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 32222720

約数和(自身を除く): 13427027

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 163, 289, 323, 357, 399, 489, 867, 969, 1141, 2023, 2261, 2771, 3097, 3423, 5491, 6069, 6783, 8313, 9291, 16473, 19397, 21679, 38437, 47107, 52649, 58191, 65037, 115311, 141321, 157947, 329749, 368543, 895033, 989247, 1105629, 2685099, 6265231, 18795693]

約数ペア:

[(1, 18795693), (3, 6265231), (7, 2685099), (17, 1105629), (19, 989247), (21, 895033), (51, 368543), (57, 329749), (119, 157947), (133, 141321), (163, 115311), (289, 65037), (323, 58191), (357, 52649), (399, 47107), (489, 38437), (867, 21679), (969, 19397), (1141, 16473), (2023, 9291), (2261, 8313), (2771, 6783), (3097, 6069), (3423, 5491)]