19953892

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16573}}^1$

素因数の和:16627

約数の個数: 24

約数和(自身を含む): 40838336

約数和(自身を除く): 20884444

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16573, 33146, 66292, 116011, 232022, 464044, 712639, 1425278, 2850556, 4988473, 9976946, 19953892]

約数ペア:

[(1, 19953892), (2, 9976946), (4, 4988473), (7, 2850556), (14, 1425278), (28, 712639), (43, 464044), (86, 232022), (172, 116011), (301, 66292), (602, 33146), (1204, 16573)]