19256211

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18287}}^1$

素因数の和:18312

約数の個数: 20

約数和(自身を含む): 30979872

約数和(自身を除く): 11723661

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18287, 54861, 164583, 237731, 493749, 713193, 1481247, 2139579, 6418737, 19256211]

約数ペア:

[(1, 19256211), (3, 6418737), (9, 2139579), (13, 1481247), (27, 713193), (39, 493749), (81, 237731), (117, 164583), (351, 54861), (1053, 18287)]