19886958

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 160

約数和(自身を含む): 58544640

約数和(自身を除く): 38657682

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 27, 38, 39, 42, 54, 57, 63, 71, 78, 81, 91, 114, 117, 126, 133, 142, 162, 171, 182, 189, 213, 234, 247, 266, 273, 342, 351, 378, 399, 426, 494, 497, 513, 546, 567, 639, 702, 741, 798, 819, 923, 994, 1026, 1053, 1134, 1197, 1278, 1349, 1482, 1491, 1539, 1638, 1729, 1846, 1917, 2106, 2223, 2394, 2457, 2698, 2769, 2982, 3078, 3458, 3591, 3834, 4047, 4446, 4473, 4914, 5187, 5538, 5751, 6461, 6669, 7182, 7371, 8094, 8307, 8946, 9443, 10374, 10773, 11502, 12141, 12922, 13338, 13419, 14742, 15561, 16614, 17537, 18886, 19383, 20007, 21546, 24282, 24921, 26838, 28329, 31122, 35074, 36423, 38766, 40014, 40257, 46683, 49842, 52611, 56658, 58149, 72846, 74763, 80514, 84987, 93366, 105222, 109269, 116298, 122759, 140049, 149526, 157833, 169974, 174447, 218538, 245518, 254961, 280098, 315666, 348894, 368277, 473499, 509922, 523341, 736554, 764883, 946998, 1046682, 1104831, 1420497, 1529766, 2209662, 2840994, 3314493, 6628986, 9943479, 19886958]

約数ペア:

[(1, 19886958), (2, 9943479), (3, 6628986), (6, 3314493), (7, 2840994), (9, 2209662), (13, 1529766), (14, 1420497), (18, 1104831), (19, 1046682), (21, 946998), (26, 764883), (27, 736554), (38, 523341), (39, 509922), (42, 473499), (54, 368277), (57, 348894), (63, 315666), (71, 280098), (78, 254961), (81, 245518), (91, 218538), (114, 174447), (117, 169974), (126, 157833), (133, 149526), (142, 140049), (162, 122759), (171, 116298), (182, 109269), (189, 105222), (213, 93366), (234, 84987), (247, 80514), (266, 74763), (273, 72846), (342, 58149), (351, 56658), (378, 52611), (399, 49842), (426, 46683), (494, 40257), (497, 40014), (513, 38766), (546, 36423), (567, 35074), (639, 31122), (702, 28329), (741, 26838), (798, 24921), (819, 24282), (923, 21546), (994, 20007), (1026, 19383), (1053, 18886), (1134, 17537), (1197, 16614), (1278, 15561), (1349, 14742), (1482, 13419), (1491, 13338), (1539, 12922), (1638, 12141), (1729, 11502), (1846, 10773), (1917, 10374), (2106, 9443), (2223, 8946), (2394, 8307), (2457, 8094), (2698, 7371), (2769, 7182), (2982, 6669), (3078, 6461), (3458, 5751), (3591, 5538), (3834, 5187), (4047, 4914), (4446, 4473)]