19828767

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6793}}^1$

素因数の和:6942

約数の個数: 16

約数和(自身を含む): 30437120

約数和(自身を除く): 10608353

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6793, 20379, 47551, 142653, 944227, 2832681, 6609589, 19828767]

約数ペア:

[(1, 19828767), (3, 6609589), (7, 2832681), (21, 944227), (139, 142653), (417, 47551), (973, 20379), (2919, 6793)]