19185781391

素因数分解:

$7^2\times {\mathrm{929}}^1\times {\mathrm{421471}}^1$

素因数の和:422414

約数の個数: 12

約数和(自身を含む): 22342230720

約数和(自身を除く): 3156449329

約数列:

[1, 7, 49, 929, 6503, 45521, 421471, 2950297, 20652079, 391546559, 2740825913, 19185781391]

約数ペア:

[(1, 19185781391), (7, 2740825913), (49, 391546559), (929, 20652079), (6503, 2950297), (45521, 421471)]