19839939

素因数分解:

$3^1\times 7^1\times {\mathrm{967}}^1\times {\mathrm{977}}^1$

素因数の和:1954

約数の個数: 16

約数和(自身を含む): 30294528

約数和(自身を除く): 10454589

約数列:

[1, 3, 7, 21, 967, 977, 2901, 2931, 6769, 6839, 20307, 20517, 944759, 2834277, 6613313, 19839939]

約数ペア:

[(1, 19839939), (3, 6613313), (7, 2834277), (21, 944759), (967, 20517), (977, 20307), (2901, 6839), (2931, 6769)]