19988934

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{475927}}^1$

素因数の和:475939

約数の個数: 16

約数和(自身を含む): 45689088

約数和(自身を除く): 25700154

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 475927, 951854, 1427781, 2855562, 3331489, 6662978, 9994467, 19988934]

約数ペア:

[(1, 19988934), (2, 9994467), (3, 6662978), (6, 3331489), (7, 2855562), (14, 1427781), (21, 951854), (42, 475927)]