19965380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43403}}^1$

素因数の和:43435

約数の個数: 24

約数和(自身を含む): 43751232

約数和(自身を除く): 23785852

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43403, 86806, 173612, 217015, 434030, 868060, 998269, 1996538, 3993076, 4991345, 9982690, 19965380]

約数ペア:

[(1, 19965380), (2, 9982690), (4, 4991345), (5, 3993076), (10, 1996538), (20, 998269), (23, 868060), (46, 434030), (92, 217015), (115, 173612), (230, 86806), (460, 43403)]