19709707

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:466

約数の個数: 16

約数和(自身を含む): 21683200

約数和(自身を除く): 1973493

約数列:

[1, 19, 31, 109, 307, 589, 2071, 3379, 5833, 9517, 33463, 64201, 180823, 635797, 1037353, 19709707]

約数ペア:

[(1, 19709707), (19, 1037353), (31, 635797), (109, 180823), (307, 64201), (589, 33463), (2071, 9517), (3379, 5833)]