18212994

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{23531}}^1$

素因数の和:23582

約数の個数: 24

約数和(自身を含む): 40380912

約数和(自身を除く): 22167918

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 23531, 47062, 70593, 141186, 211779, 423558, 1011833, 2023666, 3035499, 6070998, 9106497, 18212994]

約数ペア:

[(1, 18212994), (2, 9106497), (3, 6070998), (6, 3035499), (9, 2023666), (18, 1011833), (43, 423558), (86, 211779), (129, 141186), (258, 70593), (387, 47062), (774, 23531)]