18687724

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{38611}}^1$

素因数の和:38637

約数の個数: 18

約数和(自身を含む): 35947772

約数和(自身を除く): 17260048

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 38611, 77222, 154444, 424721, 849442, 1698884, 4671931, 9343862, 18687724]

約数ペア:

[(1, 18687724), (2, 9343862), (4, 4671931), (11, 1698884), (22, 849442), (44, 424721), (121, 154444), (242, 77222), (484, 38611)]