18342489

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{4243}}^1$

素因数の和:4388

約数の個数: 16

約数和(自身を含む): 26889984

約数和(自身を除く): 8547495

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4243, 4323, 12729, 46673, 140019, 555833, 1667499, 6114163, 18342489]

約数ペア:

[(1, 18342489), (3, 6114163), (11, 1667499), (33, 555833), (131, 140019), (393, 46673), (1441, 12729), (4243, 4323)]