19304481

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3203}}^1$

素因数の和:3261

約数の個数: 24

約数和(自身を含む): 30681504

約数和(自身を除く): 11377023

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 3203, 6027, 9609, 22421, 67263, 131323, 156947, 393969, 470841, 919261, 2757783, 6434827, 19304481]

約数ペア:

[(1, 19304481), (3, 6434827), (7, 2757783), (21, 919261), (41, 470841), (49, 393969), (123, 156947), (147, 131323), (287, 67263), (861, 22421), (2009, 9609), (3203, 6027)]