19777076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10453}}^1$

素因数の和:10511

約数の個数: 24

約数和(自身を含む): 38637984

約数和(自身を除く): 18860908

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 10453, 20906, 41812, 114983, 229966, 449479, 459932, 898958, 1797916, 4944269, 9888538, 19777076]

約数ペア:

[(1, 19777076), (2, 9888538), (4, 4944269), (11, 1797916), (22, 898958), (43, 459932), (44, 449479), (86, 229966), (172, 114983), (473, 41812), (946, 20906), (1892, 10453)]