18138809727

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{249341}}^1$

素因数の和:249543

約数の個数: 24

約数和(自身を含む): 26839172880

約数和(自身を除く): 8700363153

約数列:

[1, 3, 9, 59, 137, 177, 411, 531, 1233, 8083, 24249, 72747, 249341, 748023, 2244069, 14711119, 34159717, 44133357, 102479151, 132400071, 307437453, 2015423303, 6046269909, 18138809727]

約数ペア:

[(1, 18138809727), (3, 6046269909), (9, 2015423303), (59, 307437453), (137, 132400071), (177, 102479151), (411, 44133357), (531, 34159717), (1233, 14711119), (8083, 2244069), (24249, 748023), (72747, 249341)]