18440163

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2269}}^1$

素因数の和:2328

約数の個数: 32

約数和(自身を含む): 31961600

約数和(自身を除く): 13521437

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2269, 2709, 6807, 8127, 15883, 20421, 47649, 61263, 97567, 142947, 292701, 428841, 682969, 878103, 2048907, 2634309, 6146721, 18440163]

約数ペア:

[(1, 18440163), (3, 6146721), (7, 2634309), (9, 2048907), (21, 878103), (27, 682969), (43, 428841), (63, 292701), (129, 142947), (189, 97567), (301, 61263), (387, 47649), (903, 20421), (1161, 15883), (2269, 8127), (2709, 6807)]