19687839

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{9839}}^1$

素因数の和:9894

約数の個数: 16

約数和(自身を含む): 28339200

約数和(自身を除く): 8651361

約数列:

[1, 3, 23, 29, 69, 87, 667, 2001, 9839, 29517, 226297, 285331, 678891, 855993, 6562613, 19687839]

約数ペア:

[(1, 19687839), (3, 6562613), (23, 855993), (29, 678891), (69, 285331), (87, 226297), (667, 29517), (2001, 9839)]