18251396

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1021}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 33051480

約数和(自身を除く): 14800084

約数列:

[1, 2, 4, 41, 82, 109, 164, 218, 436, 1021, 2042, 4084, 4469, 8938, 17876, 41861, 83722, 111289, 167444, 222578, 445156, 4562849, 9125698, 18251396]

約数ペア:

[(1, 18251396), (2, 9125698), (4, 4562849), (41, 445156), (82, 222578), (109, 167444), (164, 111289), (218, 83722), (436, 41861), (1021, 17876), (2042, 8938), (4084, 4469)]