19716884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{448111}}^1$

素因数の和:448126

約数の個数: 12

約数和(自身を含む): 37641408

約数和(自身を除く): 17924524

約数列:

[1, 2, 4, 11, 22, 44, 448111, 896222, 1792444, 4929221, 9858442, 19716884]

約数ペア:

[(1, 19716884), (2, 9858442), (4, 4929221), (11, 1792444), (22, 896222), (44, 448111)]