19297557

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{691}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 29147040

約数和(自身を除く): 9849483

約数列:

[1, 3, 9, 29, 87, 107, 261, 321, 691, 963, 2073, 3103, 6219, 9309, 20039, 27927, 60117, 73937, 180351, 221811, 665433, 2144173, 6432519, 19297557]

約数ペア:

[(1, 19297557), (3, 6432519), (9, 2144173), (29, 665433), (87, 221811), (107, 180351), (261, 73937), (321, 60117), (691, 27927), (963, 20039), (2073, 9309), (3103, 6219)]