18705518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10133}}^1$

素因数の和:10219

約数の個数: 16

約数和(自身を含む): 30645216

約数和(自身を除く): 11939698

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 10133, 20266, 131729, 263458, 719443, 1438886, 9352759, 18705518]

約数ペア:

[(1, 18705518), (2, 9352759), (13, 1438886), (26, 719443), (71, 263458), (142, 131729), (923, 20266), (1846, 10133)]