19962474824

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1\times {\mathrm{2129}}^1$

素因数の和:2678

約数の個数: 64

約数和(自身を含む): 39474864000

約数和(自身を除く): 19512389176

約数列:

[1, 2, 4, 8, 23, 46, 92, 131, 184, 262, 389, 524, 778, 1048, 1556, 2129, 3013, 3112, 4258, 6026, 8516, 8947, 12052, 17032, 17894, 24104, 35788, 48967, 50959, 71576, 97934, 101918, 195868, 203836, 278899, 391736, 407672, 557798, 828181, 1115596, 1172057, 1656362, 2231192, 2344114, 3312724, 4688228, 6414677, 6625448, 9376456, 12829354, 19048163, 25658708, 38096326, 51317416, 76192652, 108491711, 152385304, 216983422, 433966844, 867933688, 2495309353, 4990618706, 9981237412, 19962474824]

約数ペア:

[(1, 19962474824), (2, 9981237412), (4, 4990618706), (8, 2495309353), (23, 867933688), (46, 433966844), (92, 216983422), (131, 152385304), (184, 108491711), (262, 76192652), (389, 51317416), (524, 38096326), (778, 25658708), (1048, 19048163), (1556, 12829354), (2129, 9376456), (3013, 6625448), (3112, 6414677), (4258, 4688228), (6026, 3312724), (8516, 2344114), (8947, 2231192), (12052, 1656362), (17032, 1172057), (17894, 1115596), (24104, 828181), (35788, 557798), (48967, 407672), (50959, 391736), (71576, 278899), (97934, 203836), (101918, 195868)]