18388612

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{37993}}^1$

素因数の和:38019

約数の個数: 18

約数和(自身を含む): 35372414

約数和(自身を除く): 16983802

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 37993, 75986, 151972, 417923, 835846, 1671692, 4597153, 9194306, 18388612]

約数ペア:

[(1, 18388612), (2, 9194306), (4, 4597153), (11, 1671692), (22, 835846), (44, 417923), (121, 151972), (242, 75986), (484, 37993)]