18291519

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1237}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 27810432

約数和(自身を除く): 9518913

約数列:

[1, 3, 9, 31, 53, 93, 159, 279, 477, 1237, 1643, 3711, 4929, 11133, 14787, 38347, 65561, 115041, 196683, 345123, 590049, 2032391, 6097173, 18291519]

約数ペア:

[(1, 18291519), (3, 6097173), (9, 2032391), (31, 590049), (53, 345123), (93, 196683), (159, 115041), (279, 65561), (477, 38347), (1237, 14787), (1643, 11133), (3711, 4929)]