2108665220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5549119}}^1$

素因数の和:5549147

約数の個数: 24

約数和(自身を含む): 4661260800

約数和(自身を除く): 2552595580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5549119, 11098238, 22196476, 27745595, 55491190, 105433261, 110982380, 210866522, 421733044, 527166305, 1054332610, 2108665220]

約数ペア:

[(1, 2108665220), (2, 1054332610), (4, 527166305), (5, 421733044), (10, 210866522), (19, 110982380), (20, 105433261), (38, 55491190), (76, 27745595), (95, 22196476), (190, 11098238), (380, 5549119)]