18394439

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 32

約数和(自身を含む): 23347200

約数和(自身を除く): 4952761

約数列:

[1, 7, 29, 31, 37, 79, 203, 217, 259, 553, 899, 1073, 1147, 2291, 2449, 2923, 6293, 7511, 8029, 16037, 17143, 20461, 33263, 71021, 84767, 90613, 232841, 497147, 593369, 634291, 2627777, 18394439]

約数ペア:

[(1, 18394439), (7, 2627777), (29, 634291), (31, 593369), (37, 497147), (79, 232841), (203, 90613), (217, 84767), (259, 71021), (553, 33263), (899, 20461), (1073, 17143), (1147, 16037), (2291, 8029), (2449, 7511), (2923, 6293)]