19008423

素因数分解:

$3^2\times 7^2\times {\mathrm{43103}}^1$

素因数の和:43123

約数の個数: 18

約数和(自身を含む): 31940064

約数和(自身を除く): 12931641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 43103, 129309, 301721, 387927, 905163, 2112047, 2715489, 6336141, 19008423]

約数ペア:

[(1, 19008423), (3, 6336141), (7, 2715489), (9, 2112047), (21, 905163), (49, 387927), (63, 301721), (147, 129309), (441, 43103)]