18625453

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 25344000

約数和(自身を除く): 6718547

約数列:

[1, 7, 11, 19, 29, 77, 133, 203, 209, 319, 439, 551, 1463, 2233, 3073, 3857, 4829, 6061, 8341, 12731, 33803, 42427, 58387, 89117, 91751, 140041, 241889, 642257, 980287, 1693223, 2660779, 18625453]

約数ペア:

[(1, 18625453), (7, 2660779), (11, 1693223), (19, 980287), (29, 642257), (77, 241889), (133, 140041), (203, 91751), (209, 89117), (319, 58387), (439, 42427), (551, 33803), (1463, 12731), (2233, 8341), (3073, 6061), (3857, 4829)]