19454576

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{28277}}^1$

素因数の和:28328

約数の個数: 20

約数和(自身を含む): 38571192

約数和(自身を除く): 19116616

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 28277, 56554, 113108, 226216, 452432, 1215911, 2431822, 4863644, 9727288, 19454576]

約数ペア:

[(1, 19454576), (2, 9727288), (4, 4863644), (8, 2431822), (16, 1215911), (43, 452432), (86, 226216), (172, 113108), (344, 56554), (688, 28277)]