18609227

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 24729600

約数和(自身を除く): 6120373

約数列:

[1, 7, 13, 19, 47, 91, 133, 229, 247, 329, 611, 893, 1603, 1729, 2977, 4277, 4351, 6251, 10763, 11609, 20839, 30457, 56563, 75341, 81263, 139919, 204497, 395941, 979433, 1431479, 2658461, 18609227]

約数ペア:

[(1, 18609227), (7, 2658461), (13, 1431479), (19, 979433), (47, 395941), (91, 204497), (133, 139919), (229, 81263), (247, 75341), (329, 56563), (611, 30457), (893, 20839), (1603, 11609), (1729, 10763), (2977, 6251), (4277, 4351)]