19941039

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{19961}}^1$

素因数の和:20007

約数の個数: 16

約数和(自身を含む): 30342240

約数和(自身を除く): 10401201

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 19961, 59883, 179649, 538947, 738557, 2215671, 6647013, 19941039]

約数ペア:

[(1, 19941039), (3, 6647013), (9, 2215671), (27, 738557), (37, 538947), (111, 179649), (333, 59883), (999, 19961)]