19772819

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2459}}^1$

素因数の和:2530

約数の個数: 16

約数和(自身を含む): 23379840

約数和(自身を除く): 3607021

約数列:

[1, 11, 17, 43, 187, 473, 731, 2459, 8041, 27049, 41803, 105737, 459833, 1163107, 1797529, 19772819]

約数ペア:

[(1, 19772819), (11, 1797529), (17, 1163107), (43, 459833), (187, 105737), (473, 41803), (731, 27049), (2459, 8041)]