19659409

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1283}}^1$

素因数の和:1500

約数の個数: 16

約数和(自身を含む): 24652800

約数和(自身を除く): 4993391

約数列:

[1, 7, 11, 77, 199, 1283, 1393, 2189, 8981, 14113, 15323, 98791, 255317, 1787219, 2808487, 19659409]

約数ペア:

[(1, 19659409), (7, 2808487), (11, 1787219), (77, 255317), (199, 98791), (1283, 15323), (1393, 14113), (2189, 8981)]