19941957

素因数分解:

$3^4\times 7^1\times {\mathrm{35171}}^1$

素因数の和:35190

約数の個数: 20

約数和(自身を含む): 34046496

約数和(自身を除く): 14104539

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35171, 105513, 246197, 316539, 738591, 949617, 2215773, 2848851, 6647319, 19941957]

約数ペア:

[(1, 19941957), (3, 6647319), (7, 2848851), (9, 2215773), (21, 949617), (27, 738591), (63, 316539), (81, 246197), (189, 105513), (567, 35171)]