19703684

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:98

約数の個数: 144

約数和(自身を含む): 50944320

約数和(自身を除く): 31240636

約数列:

[1, 2, 4, 7, 11, 13, 14, 19, 22, 26, 28, 37, 38, 44, 49, 52, 74, 76, 77, 91, 98, 133, 143, 148, 154, 182, 196, 209, 247, 259, 266, 286, 308, 364, 407, 418, 481, 494, 518, 532, 539, 572, 637, 703, 814, 836, 931, 962, 988, 1001, 1036, 1078, 1274, 1406, 1463, 1628, 1729, 1813, 1862, 1924, 2002, 2156, 2548, 2717, 2812, 2849, 2926, 3367, 3458, 3626, 3724, 4004, 4921, 5291, 5434, 5698, 5852, 6734, 6916, 7007, 7252, 7733, 9139, 9842, 10241, 10582, 10868, 11396, 12103, 13468, 14014, 15466, 18278, 19019, 19684, 19943, 20482, 21164, 23569, 24206, 28028, 30932, 34447, 36556, 37037, 38038, 39886, 40964, 47138, 48412, 54131, 63973, 68894, 74074, 76076, 79772, 94276, 100529, 108262, 127946, 133133, 137788, 148148, 201058, 216524, 255892, 259259, 266266, 378917, 402116, 447811, 518518, 532532, 703703, 757834, 895622, 1037036, 1407406, 1515668, 1791244, 2814812, 4925921, 9851842, 19703684]

約数ペア:

[(1, 19703684), (2, 9851842), (4, 4925921), (7, 2814812), (11, 1791244), (13, 1515668), (14, 1407406), (19, 1037036), (22, 895622), (26, 757834), (28, 703703), (37, 532532), (38, 518518), (44, 447811), (49, 402116), (52, 378917), (74, 266266), (76, 259259), (77, 255892), (91, 216524), (98, 201058), (133, 148148), (143, 137788), (148, 133133), (154, 127946), (182, 108262), (196, 100529), (209, 94276), (247, 79772), (259, 76076), (266, 74074), (286, 68894), (308, 63973), (364, 54131), (407, 48412), (418, 47138), (481, 40964), (494, 39886), (518, 38038), (532, 37037), (539, 36556), (572, 34447), (637, 30932), (703, 28028), (814, 24206), (836, 23569), (931, 21164), (962, 20482), (988, 19943), (1001, 19684), (1036, 19019), (1078, 18278), (1274, 15466), (1406, 14014), (1463, 13468), (1628, 12103), (1729, 11396), (1813, 10868), (1862, 10582), (1924, 10241), (2002, 9842), (2156, 9139), (2548, 7733), (2717, 7252), (2812, 7007), (2849, 6916), (2926, 6734), (3367, 5852), (3458, 5698), (3626, 5434), (3724, 5291), (4004, 4921)]