18796004

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{11489}}^1$

素因数の和:11902

約数の個数: 12

約数和(自身を含む): 32976300

約数和(自身を除く): 14180296

約数列:

[1, 2, 4, 409, 818, 1636, 11489, 22978, 45956, 4699001, 9398002, 18796004]

約数ペア:

[(1, 18796004), (2, 9398002), (4, 4699001), (409, 45956), (818, 22978), (1636, 11489)]