2019408412

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1\times {\mathrm{2293}}^1$

素因数の和:2818

約数の個数: 48

約数和(自身を含む): 4106737152

約数和(自身を除く): 2087328740

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 443, 497, 886, 994, 1772, 1988, 2293, 3101, 4586, 6202, 9172, 12404, 16051, 31453, 32102, 62906, 64204, 125812, 162803, 220171, 325606, 440342, 651212, 880684, 1015799, 1139621, 2031598, 2279242, 4063196, 4558484, 7110593, 14221186, 28442372, 72121729, 144243458, 288486916, 504852103, 1009704206, 2019408412]

約数ペア:

[(1, 2019408412), (2, 1009704206), (4, 504852103), (7, 288486916), (14, 144243458), (28, 72121729), (71, 28442372), (142, 14221186), (284, 7110593), (443, 4558484), (497, 4063196), (886, 2279242), (994, 2031598), (1772, 1139621), (1988, 1015799), (2293, 880684), (3101, 651212), (4586, 440342), (6202, 325606), (9172, 220171), (12404, 162803), (16051, 125812), (31453, 64204), (32102, 62906)]