18938656

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 41041728

約数和(自身を除く): 22103072

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 173, 176, 311, 346, 352, 622, 692, 1244, 1384, 1903, 2488, 2768, 3421, 3806, 4976, 5536, 6842, 7612, 9952, 13684, 15224, 27368, 30448, 53803, 54736, 60896, 107606, 109472, 215212, 430424, 591833, 860848, 1183666, 1721696, 2367332, 4734664, 9469328, 18938656]

約数ペア:

[(1, 18938656), (2, 9469328), (4, 4734664), (8, 2367332), (11, 1721696), (16, 1183666), (22, 860848), (32, 591833), (44, 430424), (88, 215212), (173, 109472), (176, 107606), (311, 60896), (346, 54736), (352, 53803), (622, 30448), (692, 27368), (1244, 15224), (1384, 13684), (1903, 9952), (2488, 7612), (2768, 6842), (3421, 5536), (3806, 4976)]