19847967

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{467}}^1$

素因数の和:958

約数の個数: 16

約数和(自身を含む): 27436032

約数和(自身を除く): 7588065

約数列:

[1, 3, 31, 93, 457, 467, 1371, 1401, 14167, 14477, 42501, 43431, 213419, 640257, 6615989, 19847967]

約数ペア:

[(1, 19847967), (3, 6615989), (31, 640257), (93, 213419), (457, 43431), (467, 42501), (1371, 14477), (1401, 14167)]