19788758

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1847}}^1$

素因数の和:2347

約数の個数: 16

約数和(自身を含む): 32465664

約数和(自身を除く): 12676906

約数列:

[1, 2, 11, 22, 487, 974, 1847, 3694, 5357, 10714, 20317, 40634, 899489, 1798978, 9894379, 19788758]

約数ペア:

[(1, 19788758), (2, 9894379), (11, 1798978), (22, 899489), (487, 40634), (974, 20317), (1847, 10714), (3694, 5357)]