18440816

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28111}}^1$

素因数の和:28160

約数の個数: 20

約数和(自身を含む): 36601824

約数和(自身を除く): 18161008

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28111, 56222, 112444, 224888, 449776, 1152551, 2305102, 4610204, 9220408, 18440816]

約数ペア:

[(1, 18440816), (2, 9220408), (4, 4610204), (8, 2305102), (16, 1152551), (41, 449776), (82, 224888), (164, 112444), (328, 56222), (656, 28111)]