1888216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 3960000

約数和(自身を除く): 2071784

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 499, 946, 998, 1892, 1996, 3784, 3992, 5489, 10978, 21457, 21956, 42914, 43912, 85828, 171656, 236027, 472054, 944108, 1888216]

約数ペア:

[(1, 1888216), (2, 944108), (4, 472054), (8, 236027), (11, 171656), (22, 85828), (43, 43912), (44, 42914), (86, 21956), (88, 21457), (172, 10978), (344, 5489), (473, 3992), (499, 3784), (946, 1996), (998, 1892)]