18986296

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6397}}^1$

素因数の和:6463

約数の個数: 32

約数和(自身を含む): 41459040

約数和(自身を除く): 22472744

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 6397, 12794, 25588, 44779, 51176, 89558, 179116, 339041, 358232, 678082, 1356164, 2373287, 2712328, 4746574, 9493148, 18986296]

約数ペア:

[(1, 18986296), (2, 9493148), (4, 4746574), (7, 2712328), (8, 2373287), (14, 1356164), (28, 678082), (53, 358232), (56, 339041), (106, 179116), (212, 89558), (371, 51176), (424, 44779), (742, 25588), (1484, 12794), (2968, 6397)]