1820399994

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{28163}}^1$

素因数の和:28206

約数の個数: 96

約数和(自身を含む): 4920814080

約数和(自身を除く): 3100414086

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 81, 114, 126, 133, 162, 171, 189, 243, 266, 342, 378, 399, 486, 513, 567, 798, 1026, 1134, 1197, 1539, 1701, 2394, 3078, 3402, 3591, 4617, 7182, 9234, 10773, 21546, 28163, 32319, 56326, 64638, 84489, 168978, 197141, 253467, 394282, 506934, 535097, 591423, 760401, 1070194, 1182846, 1520802, 1605291, 1774269, 2281203, 3210582, 3548538, 3745679, 4562406, 4815873, 5322807, 6843609, 7491358, 9631746, 10645614, 11237037, 13687218, 14447619, 15968421, 22474074, 28895238, 31936842, 33711111, 43342857, 47905263, 67422222, 86685714, 95810526, 101133333, 130028571, 202266666, 260057142, 303399999, 606799998, 910199997, 1820399994]

約数ペア:

[(1, 1820399994), (2, 910199997), (3, 606799998), (6, 303399999), (7, 260057142), (9, 202266666), (14, 130028571), (18, 101133333), (19, 95810526), (21, 86685714), (27, 67422222), (38, 47905263), (42, 43342857), (54, 33711111), (57, 31936842), (63, 28895238), (81, 22474074), (114, 15968421), (126, 14447619), (133, 13687218), (162, 11237037), (171, 10645614), (189, 9631746), (243, 7491358), (266, 6843609), (342, 5322807), (378, 4815873), (399, 4562406), (486, 3745679), (513, 3548538), (567, 3210582), (798, 2281203), (1026, 1774269), (1134, 1605291), (1197, 1520802), (1539, 1182846), (1701, 1070194), (2394, 760401), (3078, 591423), (3402, 535097), (3591, 506934), (4617, 394282), (7182, 253467), (9234, 197141), (10773, 168978), (21546, 84489), (28163, 64638), (32319, 56326)]