19866

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:66

約数の個数: 32

約数和(自身を含む): 50688

約数和(自身を除く): 30822

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 43, 66, 77, 86, 129, 154, 231, 258, 301, 462, 473, 602, 903, 946, 1419, 1806, 2838, 3311, 6622, 9933, 19866]

約数ペア:

[(1, 19866), (2, 9933), (3, 6622), (6, 3311), (7, 2838), (11, 1806), (14, 1419), (21, 946), (22, 903), (33, 602), (42, 473), (43, 462), (66, 301), (77, 258), (86, 231), (129, 154)]