19212884

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{67651}}^1$

素因数の和:67726

約数の個数: 12

約数和(自身を含む): 34096608

約数和(自身を除く): 14883724

約数列:

[1, 2, 4, 71, 142, 284, 67651, 135302, 270604, 4803221, 9606442, 19212884]

約数ペア:

[(1, 19212884), (2, 9606442), (4, 4803221), (71, 270604), (142, 135302), (284, 67651)]