19712063

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 24952320

約数和(自身を除く): 5240257

約数列:

[1, 7, 19, 31, 49, 133, 217, 589, 683, 931, 1519, 4123, 4781, 12977, 21173, 28861, 33467, 90839, 148211, 402287, 635873, 1037477, 2816009, 19712063]

約数ペア:

[(1, 19712063), (7, 2816009), (19, 1037477), (31, 635873), (49, 402287), (133, 148211), (217, 90839), (589, 33467), (683, 28861), (931, 21173), (1519, 12977), (4123, 4781)]