2018421812

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{21169}}^1$

素因数の和:21392

約数の個数: 36

約数和(自身を含む): 3902435460

約数和(自身を除く): 1884013648

約数列:

[1, 2, 4, 11, 22, 44, 121, 197, 242, 394, 484, 788, 2167, 4334, 8668, 21169, 23837, 42338, 47674, 84676, 95348, 232859, 465718, 931436, 2561449, 4170293, 5122898, 8340586, 10245796, 16681172, 45873223, 91746446, 183492892, 504605453, 1009210906, 2018421812]

約数ペア:

[(1, 2018421812), (2, 1009210906), (4, 504605453), (11, 183492892), (22, 91746446), (44, 45873223), (121, 16681172), (197, 10245796), (242, 8340586), (394, 5122898), (484, 4170293), (788, 2561449), (2167, 931436), (4334, 465718), (8668, 232859), (21169, 95348), (23837, 84676), (42338, 47674)]