19379720

素因数分解:

$2^3\times 5^1\times {\mathrm{484493}}^1$

素因数の和:484504

約数の個数: 16

約数和(自身を含む): 43604460

約数和(自身を除く): 24224740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 484493, 968986, 1937972, 2422465, 3875944, 4844930, 9689860, 19379720]

約数ペア:

[(1, 19379720), (2, 9689860), (4, 4844930), (5, 3875944), (8, 2422465), (10, 1937972), (20, 968986), (40, 484493)]