19316073

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21391}}^1$

素因数の和:21444

約数の個数: 16

約数和(自身を含む): 30119936

約数和(自身を除く): 10803863

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 21391, 64173, 149737, 449211, 919813, 2759439, 6438691, 19316073]

約数ペア:

[(1, 19316073), (3, 6438691), (7, 2759439), (21, 919813), (43, 449211), (129, 149737), (301, 64173), (903, 21391)]