18516531

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{13049}}^1$

素因数の和:13106

約数の個数: 16

約数和(自身を含む): 27561600

約数和(自身を除く): 9045069

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 13049, 39147, 143539, 430617, 561107, 1683321, 6172177, 18516531]

約数ペア:

[(1, 18516531), (3, 6172177), (11, 1683321), (33, 561107), (43, 430617), (129, 143539), (473, 39147), (1419, 13049)]