19386686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{21493}}^1$

素因数の和:21547

約数の個数: 16

約数和(自身を含む): 32498928

約数和(自身を除く): 13112242

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 21493, 42986, 236423, 472846, 881213, 1762426, 9693343, 19386686]

約数ペア:

[(1, 19386686), (2, 9693343), (11, 1762426), (22, 881213), (41, 472846), (82, 236423), (451, 42986), (902, 21493)]