18871688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{214451}}^1$

素因数の和:214468

約数の個数: 16

約数和(自身を含む): 38601360

約数和(自身を除く): 19729672

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 214451, 428902, 857804, 1715608, 2358961, 4717922, 9435844, 18871688]

約数ペア:

[(1, 18871688), (2, 9435844), (4, 4717922), (8, 2358961), (11, 1715608), (22, 857804), (44, 428902), (88, 214451)]