19039724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{432721}}^1$

素因数の和:432736

約数の個数: 12

約数和(自身を含む): 36348648

約数和(自身を除く): 17308924

約数列:

[1, 2, 4, 11, 22, 44, 432721, 865442, 1730884, 4759931, 9519862, 19039724]

約数ペア:

[(1, 19039724), (2, 9519862), (4, 4759931), (11, 1730884), (22, 865442), (44, 432721)]