19949842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1\times {\mathrm{1279}}^1$

素因数の和:2001

約数の個数: 16

約数和(自身を含む): 32716800

約数和(自身を除く): 12766958

約数列:

[1, 2, 11, 22, 709, 1279, 1418, 2558, 7799, 14069, 15598, 28138, 906811, 1813622, 9974921, 19949842]

約数ペア:

[(1, 19949842), (2, 9974921), (11, 1813622), (22, 906811), (709, 28138), (1279, 15598), (1418, 14069), (2558, 7799)]