19351852

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{28627}}^1$

素因数の和:28657

約数の個数: 18

約数和(自身を含む): 36672468

約数和(自身を除く): 17320616

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 28627, 57254, 114508, 372151, 744302, 1488604, 4837963, 9675926, 19351852]

約数ペア:

[(1, 19351852), (2, 9675926), (4, 4837963), (13, 1488604), (26, 744302), (52, 372151), (169, 114508), (338, 57254), (676, 28627)]