19384701

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21467}}^1$

素因数の和:21520

約数の個数: 16

約数和(自身を含む): 30226944

約数和(自身を除く): 10842243

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 21467, 64401, 150269, 450807, 923081, 2769243, 6461567, 19384701]

約数ペア:

[(1, 19384701), (3, 6461567), (7, 2769243), (21, 923081), (43, 450807), (129, 150269), (301, 64401), (903, 21467)]