19401514

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20509}}^1$

素因数の和:20565

約数の個数: 16

約数和(自身を含む): 32487840

約数和(自身を除く): 13086326

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20509, 41018, 225599, 451198, 881887, 1763774, 9700757, 19401514]

約数ペア:

[(1, 19401514), (2, 9700757), (11, 1763774), (22, 881887), (43, 451198), (86, 225599), (473, 41018), (946, 20509)]