18867438

素因数分解:

$2^1\times 3^3\times {\mathrm{349397}}^1$

素因数の和:349408

約数の個数: 16

約数和(自身を含む): 41927760

約数和(自身を除く): 23060322

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 349397, 698794, 1048191, 2096382, 3144573, 6289146, 9433719, 18867438]

約数ペア:

[(1, 18867438), (2, 9433719), (3, 6289146), (6, 3144573), (9, 2096382), (18, 1048191), (27, 698794), (54, 349397)]