18120927

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{28901}}^1$

素因数の和:28934

約数の個数: 16

約数和(自身を含む): 27745920

約数和(自身を除く): 9624993

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 28901, 86703, 317911, 549119, 953733, 1647357, 6040309, 18120927]

約数ペア:

[(1, 18120927), (3, 6040309), (11, 1647357), (19, 953733), (33, 549119), (57, 317911), (209, 86703), (627, 28901)]