20219109

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1847}}^1$

素因数の和:1980

約数の個数: 16

約数和(自身を含む): 27941760

約数和(自身を除く): 7722651

約数列:

[1, 3, 41, 89, 123, 267, 1847, 3649, 5541, 10947, 75727, 164383, 227181, 493149, 6739703, 20219109]

約数ペア:

[(1, 20219109), (3, 6739703), (41, 493149), (89, 227181), (123, 164383), (267, 75727), (1847, 10947), (3649, 5541)]