19958908046

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{393931}}^1$

素因数の和:394005

約数の個数: 48

約数和(自身を含む): 38800726272

約数和(自身を除く): 18841818226

約数列:

[1, 2, 7, 11, 14, 22, 47, 49, 77, 94, 98, 154, 329, 517, 539, 658, 1034, 1078, 2303, 3619, 4606, 7238, 25333, 50666, 393931, 787862, 2757517, 4333241, 5515034, 8666482, 18514757, 19302619, 30332687, 37029514, 38605238, 60665374, 129603299, 203662327, 212328809, 259206598, 407324654, 424657618, 907223093, 1425636289, 1814446186, 2851272578, 9979454023, 19958908046]

約数ペア:

[(1, 19958908046), (2, 9979454023), (7, 2851272578), (11, 1814446186), (14, 1425636289), (22, 907223093), (47, 424657618), (49, 407324654), (77, 259206598), (94, 212328809), (98, 203662327), (154, 129603299), (329, 60665374), (517, 38605238), (539, 37029514), (658, 30332687), (1034, 19302619), (1078, 18514757), (2303, 8666482), (3619, 5515034), (4606, 4333241), (7238, 2757517), (25333, 787862), (50666, 393931)]