19661252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{378101}}^1$

素因数の和:378118

約数の個数: 12

約数和(自身を含む): 37053996

約数和(自身を除く): 17392744

約数列:

[1, 2, 4, 13, 26, 52, 378101, 756202, 1512404, 4915313, 9830626, 19661252]

約数ペア:

[(1, 19661252), (2, 9830626), (4, 4915313), (13, 1512404), (26, 756202), (52, 378101)]