19965939

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{55927}}^1$

素因数の和:55954

約数の個数: 16

約数和(自身を含む): 32214528

約数和(自身を除く): 12248589

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 55927, 167781, 391489, 950759, 1174467, 2852277, 6655313, 19965939]

約数ペア:

[(1, 19965939), (3, 6655313), (7, 2852277), (17, 1174467), (21, 950759), (51, 391489), (119, 167781), (357, 55927)]