18735138

素因数分解:

$2^1\times 3^4\times {\mathrm{109}}^1\times {\mathrm{1061}}^1$

素因数の和:1184

約数の個数: 40

約数和(自身を含む): 42405660

約数和(自身を除く): 23670522

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 109, 162, 218, 327, 654, 981, 1061, 1962, 2122, 2943, 3183, 5886, 6366, 8829, 9549, 17658, 19098, 28647, 57294, 85941, 115649, 171882, 231298, 346947, 693894, 1040841, 2081682, 3122523, 6245046, 9367569, 18735138]

約数ペア:

[(1, 18735138), (2, 9367569), (3, 6245046), (6, 3122523), (9, 2081682), (18, 1040841), (27, 693894), (54, 346947), (81, 231298), (109, 171882), (162, 115649), (218, 85941), (327, 57294), (654, 28647), (981, 19098), (1061, 17658), (1962, 9549), (2122, 8829), (2943, 6366), (3183, 5886)]