19512927

素因数分解:

$3^3\times 7^5\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 48

約数和(自身を含む): 34510080

約数和(自身を除く): 14997153

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 129, 147, 189, 301, 343, 387, 441, 903, 1029, 1161, 1323, 2107, 2401, 2709, 3087, 6321, 7203, 8127, 9261, 14749, 16807, 18963, 21609, 44247, 50421, 56889, 64827, 103243, 132741, 151263, 309729, 398223, 453789, 722701, 929187, 2168103, 2787561, 6504309, 19512927]

約数ペア:

[(1, 19512927), (3, 6504309), (7, 2787561), (9, 2168103), (21, 929187), (27, 722701), (43, 453789), (49, 398223), (63, 309729), (129, 151263), (147, 132741), (189, 103243), (301, 64827), (343, 56889), (387, 50421), (441, 44247), (903, 21609), (1029, 18963), (1161, 16807), (1323, 14749), (2107, 9261), (2401, 8127), (2709, 7203), (3087, 6321)]