18023181

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 27907200

約数和(自身を除く): 9884019

約数列:

[1, 3, 11, 29, 33, 37, 87, 111, 319, 407, 509, 957, 1073, 1221, 1527, 3219, 5599, 11803, 14761, 16797, 18833, 35409, 44283, 56499, 162371, 207163, 487113, 546157, 621489, 1638471, 6007727, 18023181]

約数ペア:

[(1, 18023181), (3, 6007727), (11, 1638471), (29, 621489), (33, 546157), (37, 487113), (87, 207163), (111, 162371), (319, 56499), (407, 44283), (509, 35409), (957, 18833), (1073, 16797), (1221, 14761), (1527, 11803), (3219, 5599)]