19676069

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 23232000

約数和(自身を除く): 3555931

約数列:

[1, 7, 43, 131, 301, 499, 917, 3493, 5633, 21457, 39431, 65369, 150199, 457583, 2810867, 19676069]

約数ペア:

[(1, 19676069), (7, 2810867), (43, 457583), (131, 150199), (301, 65369), (499, 39431), (917, 21457), (3493, 5633)]