2049340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5393}}^1$

素因数の和:5421

約数の個数: 24

約数和(自身を含む): 4530960

約数和(自身を除く): 2481620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5393, 10786, 21572, 26965, 53930, 102467, 107860, 204934, 409868, 512335, 1024670, 2049340]

約数ペア:

[(1, 2049340), (2, 1024670), (4, 512335), (5, 409868), (10, 204934), (19, 107860), (20, 102467), (38, 53930), (76, 26965), (95, 21572), (190, 10786), (380, 5393)]