19744112

素因数分解:

$2^4\times {\mathrm{1009}}^1\times {\mathrm{1223}}^1$

素因数の和:2240

約数の個数: 20

約数和(自身を含む): 38323440

約数和(自身を除く): 18579328

約数列:

[1, 2, 4, 8, 16, 1009, 1223, 2018, 2446, 4036, 4892, 8072, 9784, 16144, 19568, 1234007, 2468014, 4936028, 9872056, 19744112]

約数ペア:

[(1, 19744112), (2, 9872056), (4, 4936028), (8, 2468014), (16, 1234007), (1009, 19568), (1223, 16144), (2018, 9784), (2446, 8072), (4036, 4892)]