18678572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{967}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 35777280

約数和(自身を除く): 17098708

約数列:

[1, 2, 4, 11, 22, 44, 439, 878, 967, 1756, 1934, 3868, 4829, 9658, 10637, 19316, 21274, 42548, 424513, 849026, 1698052, 4669643, 9339286, 18678572]

約数ペア:

[(1, 18678572), (2, 9339286), (4, 4669643), (11, 1698052), (22, 849026), (44, 424513), (439, 42548), (878, 21274), (967, 19316), (1756, 10637), (1934, 9658), (3868, 4829)]