18981854

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1\times {\mathrm{953}}^1$

素因数の和:1411

約数の個数: 16

約数和(自身を含む): 29810592

約数和(自身を除く): 10828738

約数列:

[1, 2, 23, 46, 433, 866, 953, 1906, 9959, 19918, 21919, 43838, 412649, 825298, 9490927, 18981854]

約数ペア:

[(1, 18981854), (2, 9490927), (23, 825298), (46, 412649), (433, 43838), (866, 21919), (953, 19918), (1906, 9959)]