18156664

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 35608320

約数和(自身を除く): 17451656

約数列:

[1, 2, 4, 8, 43, 47, 86, 94, 172, 188, 344, 376, 1123, 2021, 2246, 4042, 4492, 8084, 8984, 16168, 48289, 52781, 96578, 105562, 193156, 211124, 386312, 422248, 2269583, 4539166, 9078332, 18156664]

約数ペア:

[(1, 18156664), (2, 9078332), (4, 4539166), (8, 2269583), (43, 422248), (47, 386312), (86, 211124), (94, 193156), (172, 105562), (188, 96578), (344, 52781), (376, 48289), (1123, 16168), (2021, 8984), (2246, 8084), (4042, 4492)]