18468783

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{40237}}^1$

素因数の和:40263

約数の個数: 16

約数和(自身を含む): 28971360

約数和(自身を除く): 10502577

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 40237, 120711, 362133, 684029, 1086399, 2052087, 6156261, 18468783]

約数ペア:

[(1, 18468783), (3, 6156261), (9, 2052087), (17, 1086399), (27, 684029), (51, 362133), (153, 120711), (459, 40237)]