19511878

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{1249}}^1$

素因数の和:1431

約数の個数: 16

約数和(自身を含む): 29970000

約数和(自身を除く): 10458122

約数列:

[1, 2, 73, 107, 146, 214, 1249, 2498, 7811, 15622, 91177, 133643, 182354, 267286, 9755939, 19511878]

約数ペア:

[(1, 19511878), (2, 9755939), (73, 267286), (107, 182354), (146, 133643), (214, 91177), (1249, 15622), (2498, 7811)]