19780657788

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{907}}^1\times {\mathrm{2333}}^1$

素因数の和:3307

約数の個数: 96

約数和(自身を含む): 49845277440

約数和(自身を除く): 30064619652

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 41, 57, 76, 82, 114, 123, 164, 228, 246, 492, 779, 907, 1558, 1814, 2333, 2337, 2721, 3116, 3628, 4666, 4674, 5442, 6999, 9332, 9348, 10884, 13998, 17233, 27996, 34466, 37187, 44327, 51699, 68932, 74374, 88654, 95653, 103398, 111561, 132981, 148748, 177308, 191306, 206796, 223122, 265962, 286959, 382612, 446244, 531924, 573918, 706553, 1147836, 1413106, 1817407, 2116031, 2119659, 2826212, 3634814, 4232062, 4239318, 5452221, 6348093, 7269628, 8464124, 8478636, 10904442, 12696186, 21808884, 25392372, 40204589, 80409178, 86757271, 120613767, 160818356, 173514542, 241227534, 260271813, 347029084, 482455068, 520543626, 1041087252, 1648388149, 3296776298, 4945164447, 6593552596, 9890328894, 19780657788]

約数ペア:

[(1, 19780657788), (2, 9890328894), (3, 6593552596), (4, 4945164447), (6, 3296776298), (12, 1648388149), (19, 1041087252), (38, 520543626), (41, 482455068), (57, 347029084), (76, 260271813), (82, 241227534), (114, 173514542), (123, 160818356), (164, 120613767), (228, 86757271), (246, 80409178), (492, 40204589), (779, 25392372), (907, 21808884), (1558, 12696186), (1814, 10904442), (2333, 8478636), (2337, 8464124), (2721, 7269628), (3116, 6348093), (3628, 5452221), (4666, 4239318), (4674, 4232062), (5442, 3634814), (6999, 2826212), (9332, 2119659), (9348, 2116031), (10884, 1817407), (13998, 1413106), (17233, 1147836), (27996, 706553), (34466, 573918), (37187, 531924), (44327, 446244), (51699, 382612), (68932, 286959), (74374, 265962), (88654, 223122), (95653, 206796), (103398, 191306), (111561, 177308), (132981, 148748)]