18926768

素因数分解:

$2^4\times 7^1\times {\mathrm{347}}^1\times {\mathrm{487}}^1$

素因数の和:849

約数の個数: 40

約数和(自身を含む): 42116352

約数和(自身を除く): 23189584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 347, 487, 694, 974, 1388, 1948, 2429, 2776, 3409, 3896, 4858, 5552, 6818, 7792, 9716, 13636, 19432, 27272, 38864, 54544, 168989, 337978, 675956, 1182923, 1351912, 2365846, 2703824, 4731692, 9463384, 18926768]

約数ペア:

[(1, 18926768), (2, 9463384), (4, 4731692), (7, 2703824), (8, 2365846), (14, 1351912), (16, 1182923), (28, 675956), (56, 337978), (112, 168989), (347, 54544), (487, 38864), (694, 27272), (974, 19432), (1388, 13636), (1948, 9716), (2429, 7792), (2776, 6818), (3409, 5552), (3896, 4858)]