18940196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{10499}}^1$

素因数の和:10555

約数の個数: 24

約数和(自身を含む): 37044000

約数和(自身を除く): 18103804

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 10499, 20998, 41996, 115489, 230978, 430459, 461956, 860918, 1721836, 4735049, 9470098, 18940196]

約数ペア:

[(1, 18940196), (2, 9470098), (4, 4735049), (11, 1721836), (22, 860918), (41, 461956), (44, 430459), (82, 230978), (164, 115489), (451, 41996), (902, 20998), (1804, 10499)]