18649444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{9857}}^1$

素因数の和:9915

約数の個数: 24

約数和(自身を含む): 36435168

約数和(自身を除く): 17785724

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 9857, 19714, 39428, 108427, 216854, 423851, 433708, 847702, 1695404, 4662361, 9324722, 18649444]

約数ペア:

[(1, 18649444), (2, 9324722), (4, 4662361), (11, 1695404), (22, 847702), (43, 433708), (44, 423851), (86, 216854), (172, 108427), (473, 39428), (946, 19714), (1892, 9857)]