19827899

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1831}}^1$

素因数の和:1875

約数の個数: 24

約数和(自身を含む): 26314848

約数和(自身を除く): 6486949

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 1831, 10829, 12817, 23803, 31127, 89719, 166621, 217889, 404651, 1166347, 1525223, 2832557, 19827899]

約数ペア:

[(1, 19827899), (7, 2832557), (13, 1525223), (17, 1166347), (49, 404651), (91, 217889), (119, 166621), (221, 89719), (637, 31127), (833, 23803), (1547, 12817), (1831, 10829)]