1909489778

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2237}}^1\times {\mathrm{3209}}^1$

素因数の和:5474

約数の個数: 32

約数和(自身を含む): 3448310400

約数和(自身を除く): 1538820622

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 2237, 3209, 4474, 6418, 15659, 22463, 31318, 42503, 44926, 60971, 85006, 121942, 297521, 426797, 595042, 853594, 7178533, 14357066, 50249731, 100499462, 136392127, 272784254, 954744889, 1909489778]

約数ペア:

[(1, 1909489778), (2, 954744889), (7, 272784254), (14, 136392127), (19, 100499462), (38, 50249731), (133, 14357066), (266, 7178533), (2237, 853594), (3209, 595042), (4474, 426797), (6418, 297521), (15659, 121942), (22463, 85006), (31318, 60971), (42503, 44926)]