18516488

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2833}}^1$

素因数の和:2901

約数の個数: 32

約数和(自身を含む): 37408800

約数和(自身を除く): 18892312

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 2833, 3268, 5666, 6536, 11332, 22664, 53827, 107654, 121819, 215308, 243638, 430616, 487276, 974552, 2314561, 4629122, 9258244, 18516488]

約数ペア:

[(1, 18516488), (2, 9258244), (4, 4629122), (8, 2314561), (19, 974552), (38, 487276), (43, 430616), (76, 243638), (86, 215308), (152, 121819), (172, 107654), (344, 53827), (817, 22664), (1634, 11332), (2833, 6536), (3268, 5666)]