19658380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140417}}^1$

素因数の和:140433

約数の個数: 24

約数和(自身を含む): 47180448

約数和(自身を除く): 27522068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140417, 280834, 561668, 702085, 982919, 1404170, 1965838, 2808340, 3931676, 4914595, 9829190, 19658380]

約数ペア:

[(1, 19658380), (2, 9829190), (4, 4914595), (5, 3931676), (7, 2808340), (10, 1965838), (14, 1404170), (20, 982919), (28, 702085), (35, 561668), (70, 280834), (140, 140417)]