19001684

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{28109}}^1$

素因数の和:28139

約数の個数: 18

約数和(自身を含む): 36008910

約数和(自身を除く): 17007226

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 28109, 56218, 112436, 365417, 730834, 1461668, 4750421, 9500842, 19001684]

約数ペア:

[(1, 19001684), (2, 9500842), (4, 4750421), (13, 1461668), (26, 730834), (52, 365417), (169, 112436), (338, 56218), (676, 28109)]