19641897

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 31137600

約数和(自身を除く): 11495703

約数列:

[1, 3, 9, 11, 33, 99, 199, 597, 997, 1791, 2189, 2991, 6567, 8973, 10967, 19701, 32901, 98703, 198403, 595209, 1785627, 2182433, 6547299, 19641897]

約数ペア:

[(1, 19641897), (3, 6547299), (9, 2182433), (11, 1785627), (33, 595209), (99, 198403), (199, 98703), (597, 32901), (997, 19701), (1791, 10967), (2189, 8973), (2991, 6567)]