18241899

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^2$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 27311760

約数和(自身を除く): 9069861

約数列:

[1, 3, 13, 29, 39, 87, 127, 377, 381, 1131, 1651, 3683, 4953, 11049, 16129, 47879, 48387, 143637, 209677, 467741, 629031, 1403223, 6080633, 18241899]

約数ペア:

[(1, 18241899), (3, 6080633), (13, 1403223), (29, 629031), (39, 467741), (87, 209677), (127, 143637), (377, 48387), (381, 47879), (1131, 16129), (1651, 11049), (3683, 4953)]