19404987

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{5669}}^1$

素因数の和:5842

約数の個数: 16

約数和(自身を含む): 29756160

約数和(自身を除く): 10351173

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 5669, 17007, 39683, 119049, 924047, 2772141, 6468329, 19404987]

約数ペア:

[(1, 19404987), (3, 6468329), (7, 2772141), (21, 924047), (163, 119049), (489, 39683), (1141, 17007), (3423, 5669)]