18967042

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{223}}^1$

素因数の和:334

約数の個数: 24

約数和(自身を含む): 30530304

約数和(自身を除く): 11563262

約数列:

[1, 2, 23, 43, 46, 86, 223, 446, 989, 1849, 1978, 3698, 5129, 9589, 10258, 19178, 42527, 85054, 220547, 412327, 441094, 824654, 9483521, 18967042]

約数ペア:

[(1, 18967042), (2, 9483521), (23, 824654), (43, 441094), (46, 412327), (86, 220547), (223, 85054), (446, 42527), (989, 19178), (1849, 10258), (1978, 9589), (3698, 5129)]