16856838

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2143}}^1$

素因数の和:2193

約数の個数: 48

約数和(自身を含む): 40135680

約数和(自身を除く): 23278842

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 171, 207, 342, 414, 437, 874, 1311, 2143, 2622, 3933, 4286, 6429, 7866, 12858, 19287, 38574, 40717, 49289, 81434, 98578, 122151, 147867, 244302, 295734, 366453, 443601, 732906, 887202, 936491, 1872982, 2809473, 5618946, 8428419, 16856838]

約数ペア:

[(1, 16856838), (2, 8428419), (3, 5618946), (6, 2809473), (9, 1872982), (18, 936491), (19, 887202), (23, 732906), (38, 443601), (46, 366453), (57, 295734), (69, 244302), (114, 147867), (138, 122151), (171, 98578), (207, 81434), (342, 49289), (414, 40717), (437, 38574), (874, 19287), (1311, 12858), (2143, 7866), (2622, 6429), (3933, 4286)]