18115724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{411721}}^1$

素因数の和:411736

約数の個数: 12

約数和(自身を含む): 34584648

約数和(自身を除く): 16468924

約数列:

[1, 2, 4, 11, 22, 44, 411721, 823442, 1646884, 4528931, 9057862, 18115724]

約数ペア:

[(1, 18115724), (2, 9057862), (4, 4528931), (11, 1646884), (22, 823442), (44, 411721)]