19386507

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{3067}}^1$

素因数の和:3127

約数の個数: 24

約数和(自身を含む): 30778176

約数和(自身を除く): 11391669

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 3067, 6321, 9201, 21469, 64407, 131881, 150283, 395643, 450849, 923167, 2769501, 6462169, 19386507]

約数ペア:

[(1, 19386507), (3, 6462169), (7, 2769501), (21, 923167), (43, 450849), (49, 395643), (129, 150283), (147, 131881), (301, 64407), (903, 21469), (2107, 9201), (3067, 6321)]