19912222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{3221}}^1$

素因数の和:3515

約数の個数: 16

約数和(自身を含む): 32709744

約数和(自身を除く): 12797522

約数列:

[1, 2, 11, 22, 281, 562, 3091, 3221, 6182, 6442, 35431, 70862, 905101, 1810202, 9956111, 19912222]

約数ペア:

[(1, 19912222), (2, 9956111), (11, 1810202), (22, 905101), (281, 70862), (562, 35431), (3091, 6442), (3221, 6182)]