18120531

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{42239}}^1$

素因数の和:42266

約数の個数: 16

約数和(自身を含む): 28385280

約数和(自身を除く): 10264749

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 42239, 126717, 464629, 549107, 1393887, 1647321, 6040177, 18120531]

約数ペア:

[(1, 18120531), (3, 6040177), (11, 1647321), (13, 1393887), (33, 549107), (39, 464629), (143, 126717), (429, 42239)]