19999756

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6553}}^1$

素因数の和:6673

約数の個数: 24

約数和(自身を含む): 40372640

約数和(自身を除く): 20372884

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 6553, 13106, 26212, 45871, 91742, 183484, 714277, 1428554, 2857108, 4999939, 9999878, 19999756]

約数ペア:

[(1, 19999756), (2, 9999878), (4, 4999939), (7, 2857108), (14, 1428554), (28, 714277), (109, 183484), (218, 91742), (436, 45871), (763, 26212), (1526, 13106), (3052, 6553)]