19956356

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{6661}}^1$

素因数の和:6779

約数の個数: 24

約数和(自身を含む): 40291776

約数和(自身を除く): 20335420

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 6661, 13322, 26644, 46627, 93254, 186508, 712727, 1425454, 2850908, 4989089, 9978178, 19956356]

約数ペア:

[(1, 19956356), (2, 9978178), (4, 4989089), (7, 2850908), (14, 1425454), (28, 712727), (107, 186508), (214, 93254), (428, 46627), (749, 26644), (1498, 13322), (2996, 6661)]