637014618

素因数分解:

$2^1\times 3^4\times {\mathrm{1973}}^1\times {\mathrm{1993}}^1$

素因数の和:3980

約数の個数: 40

約数和(自身を含む): 1428824628

約数和(自身を除く): 791810010

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1973, 1993, 3946, 3986, 5919, 5979, 11838, 11958, 17757, 17937, 35514, 35874, 53271, 53811, 106542, 107622, 159813, 161433, 319626, 322866, 3932189, 7864378, 11796567, 23593134, 35389701, 70779402, 106169103, 212338206, 318507309, 637014618]

約数ペア:

[(1, 637014618), (2, 318507309), (3, 212338206), (6, 106169103), (9, 70779402), (18, 35389701), (27, 23593134), (54, 11796567), (81, 7864378), (162, 3932189), (1973, 322866), (1993, 319626), (3946, 161433), (3986, 159813), (5919, 107622), (5979, 106542), (11838, 53811), (11958, 53271), (17757, 35874), (17937, 35514)]