19526386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20641}}^1$

素因数の和:20697

約数の個数: 16

約数和(自身を含む): 32696928

約数和(自身を除く): 13170542

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20641, 41282, 227051, 454102, 887563, 1775126, 9763193, 19526386]

約数ペア:

[(1, 19526386), (2, 9763193), (11, 1775126), (22, 887563), (43, 454102), (86, 227051), (473, 41282), (946, 20641)]