18814733

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{709}}^1$

素因数の和:956

約数の個数: 16

約数和(自身を含む): 22901760

約数和(自身を除く): 4087027

約数列:

[1, 7, 17, 119, 223, 709, 1561, 3791, 4963, 12053, 26537, 84371, 158107, 1106749, 2687819, 18814733]

約数ペア:

[(1, 18814733), (7, 2687819), (17, 1106749), (119, 158107), (223, 84371), (709, 26537), (1561, 12053), (3791, 4963)]