18780267

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{5867}}^1$

素因数の和:5978

約数の個数: 16

約数和(自身を含む): 27603072

約数和(自身を除く): 8822805

約数列:

[1, 3, 11, 33, 97, 291, 1067, 3201, 5867, 17601, 64537, 193611, 569099, 1707297, 6260089, 18780267]

約数ペア:

[(1, 18780267), (3, 6260089), (11, 1707297), (33, 569099), (97, 193611), (291, 64537), (1067, 17601), (3201, 5867)]