16623841

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 20684160

約数和(自身を除く): 4060319

約数列:

[1, 13, 17, 19, 37, 107, 221, 247, 323, 481, 629, 703, 1391, 1819, 2033, 3959, 4199, 8177, 9139, 11951, 23647, 26429, 34561, 51467, 67303, 75221, 155363, 449293, 874939, 977873, 1278757, 16623841]

約数ペア:

[(1, 16623841), (13, 1278757), (17, 977873), (19, 874939), (37, 449293), (107, 155363), (221, 75221), (247, 67303), (323, 51467), (481, 34561), (629, 26429), (703, 23647), (1391, 11951), (1819, 9139), (2033, 8177), (3959, 4199)]