18738927

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1181}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 28396368

約数和(自身を除く): 9657441

約数列:

[1, 3, 9, 41, 43, 123, 129, 369, 387, 1181, 1763, 3543, 5289, 10629, 15867, 48421, 50783, 145263, 152349, 435789, 457047, 2082103, 6246309, 18738927]

約数ペア:

[(1, 18738927), (3, 6246309), (9, 2082103), (41, 457047), (43, 435789), (123, 152349), (129, 145263), (369, 50783), (387, 48421), (1181, 15867), (1763, 10629), (3543, 5289)]