20181955297

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{42073}}^1$

素因数の和:42265

約数の個数: 32

約数和(自身を含む): 25446355200

約数和(自身を除く): 5264399903

約数列:

[1, 7, 17, 29, 119, 139, 203, 493, 973, 2363, 3451, 4031, 16541, 28217, 42073, 68527, 294511, 479689, 715241, 1220117, 5006687, 5848147, 8540819, 20741989, 40937029, 99418499, 145193923, 169596263, 695929493, 1187173841, 2883136471, 20181955297]

約数ペア:

[(1, 20181955297), (7, 2883136471), (17, 1187173841), (29, 695929493), (119, 169596263), (139, 145193923), (203, 99418499), (493, 40937029), (973, 20741989), (2363, 8540819), (3451, 5848147), (4031, 5006687), (16541, 1220117), (28217, 715241), (42073, 479689), (68527, 294511)]