18468328

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1451}}^1$

素因数の和:1537

約数の個数: 32

約数和(自身を含む): 36416160

約数和(自身を除く): 17947832

約数列:

[1, 2, 4, 8, 37, 43, 74, 86, 148, 172, 296, 344, 1451, 1591, 2902, 3182, 5804, 6364, 11608, 12728, 53687, 62393, 107374, 124786, 214748, 249572, 429496, 499144, 2308541, 4617082, 9234164, 18468328]

約数ペア:

[(1, 18468328), (2, 9234164), (4, 4617082), (8, 2308541), (37, 499144), (43, 429496), (74, 249572), (86, 214748), (148, 124786), (172, 107374), (296, 62393), (344, 53687), (1451, 12728), (1591, 11608), (2902, 6364), (3182, 5804)]