18668421

素因数分解:

$3^3\times {\mathrm{619}}^1\times {\mathrm{1117}}^1$

素因数の和:1745

約数の個数: 16

約数和(自身を含む): 27726400

約数和(自身を除く): 9057979

約数列:

[1, 3, 9, 27, 619, 1117, 1857, 3351, 5571, 10053, 16713, 30159, 691423, 2074269, 6222807, 18668421]

約数ペア:

[(1, 18668421), (3, 6222807), (9, 2074269), (27, 691423), (619, 30159), (1117, 16713), (1857, 10053), (3351, 5571)]