19859007

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2857}}^1$

素因数の和:3198

約数の個数: 16

約数和(自身を含む): 30363392

約数和(自身を除く): 10504385

約数列:

[1, 3, 7, 21, 331, 993, 2317, 2857, 6951, 8571, 19999, 59997, 945667, 2837001, 6619669, 19859007]

約数ペア:

[(1, 19859007), (3, 6619669), (7, 2837001), (21, 945667), (331, 59997), (993, 19999), (2317, 8571), (2857, 6951)]