19486511

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 21882528

約数和(自身を除く): 2396017

約数列:

[1, 11, 61, 113, 257, 671, 1243, 2827, 6893, 15677, 29041, 75823, 172447, 319451, 1771501, 19486511]

約数ペア:

[(1, 19486511), (11, 1771501), (61, 319451), (113, 172447), (257, 75823), (671, 29041), (1243, 15677), (2827, 6893)]