19195631

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2971}}^1$

素因数の和:3062

約数の個数: 16

約数和(自身を含む): 23966208

約数和(自身を除く): 4770577

約数列:

[1, 7, 13, 71, 91, 497, 923, 2971, 6461, 20797, 38623, 210941, 270361, 1476587, 2742233, 19195631]

約数ペア:

[(1, 19195631), (7, 2742233), (13, 1476587), (71, 270361), (91, 210941), (497, 38623), (923, 20797), (2971, 6461)]