19844

素因数分解:

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

素因数の和:67

約数の個数: 18

約数和(自身を含む): 39102

約数和(自身を除く): 19258

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 121, 164, 242, 451, 484, 902, 1804, 4961, 9922, 19844]

約数ペア:

[(1, 19844), (2, 9922), (4, 4961), (11, 1804), (22, 902), (41, 484), (44, 451), (82, 242), (121, 164)]