19934577

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2543}}^1$

素因数の和:2629

約数の個数: 24

約数和(自身を含む): 31484544

約数和(自身を除く): 11549967

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2543, 2613, 7629, 7839, 22887, 33059, 99177, 170381, 297531, 511143, 1533429, 2214953, 6644859, 19934577]

約数ペア:

[(1, 19934577), (3, 6644859), (9, 2214953), (13, 1533429), (39, 511143), (67, 297531), (117, 170381), (201, 99177), (603, 33059), (871, 22887), (2543, 7839), (2613, 7629)]