18005691

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{12689}}^1$

素因数の和:12746

約数の個数: 16

約数和(自身を含む): 26801280

約数和(自身を除く): 8795589

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 12689, 38067, 139579, 418737, 545627, 1636881, 6001897, 18005691]

約数ペア:

[(1, 18005691), (3, 6001897), (11, 1636881), (33, 545627), (43, 418737), (129, 139579), (473, 38067), (1419, 12689)]