18989850936

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{18503}}^1$

素因数の和:18709

約数の個数: 128

約数和(自身を含む): 55956096000

約数和(自身を除く): 36966245064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 82, 84, 123, 149, 164, 168, 246, 287, 298, 328, 447, 492, 574, 596, 861, 894, 984, 1043, 1148, 1192, 1722, 1788, 2086, 2296, 3129, 3444, 3576, 4172, 6109, 6258, 6888, 8344, 12218, 12516, 18327, 18503, 24436, 25032, 36654, 37006, 42763, 48872, 55509, 73308, 74012, 85526, 111018, 128289, 129521, 146616, 148024, 171052, 222036, 256578, 259042, 342104, 388563, 444072, 513156, 518084, 758623, 777126, 1026312, 1036168, 1517246, 1554252, 2275869, 2756947, 3034492, 3108504, 4551738, 5310361, 5513894, 6068984, 8270841, 9103476, 10620722, 11027788, 15931083, 16541682, 18206952, 19298629, 21241444, 22055576, 31862166, 33083364, 38597258, 42482888, 57895887, 63724332, 66166728, 77194516, 113034827, 115791774, 127448664, 154389032, 226069654, 231583548, 339104481, 452139308, 463167096, 678208962, 791243789, 904278616, 1356417924, 1582487578, 2373731367, 2712835848, 3164975156, 4747462734, 6329950312, 9494925468, 18989850936]

約数ペア:

[(1, 18989850936), (2, 9494925468), (3, 6329950312), (4, 4747462734), (6, 3164975156), (7, 2712835848), (8, 2373731367), (12, 1582487578), (14, 1356417924), (21, 904278616), (24, 791243789), (28, 678208962), (41, 463167096), (42, 452139308), (56, 339104481), (82, 231583548), (84, 226069654), (123, 154389032), (149, 127448664), (164, 115791774), (168, 113034827), (246, 77194516), (287, 66166728), (298, 63724332), (328, 57895887), (447, 42482888), (492, 38597258), (574, 33083364), (596, 31862166), (861, 22055576), (894, 21241444), (984, 19298629), (1043, 18206952), (1148, 16541682), (1192, 15931083), (1722, 11027788), (1788, 10620722), (2086, 9103476), (2296, 8270841), (3129, 6068984), (3444, 5513894), (3576, 5310361), (4172, 4551738), (6109, 3108504), (6258, 3034492), (6888, 2756947), (8344, 2275869), (12218, 1554252), (12516, 1517246), (18327, 1036168), (18503, 1026312), (24436, 777126), (25032, 758623), (36654, 518084), (37006, 513156), (42763, 444072), (48872, 388563), (55509, 342104), (73308, 259042), (74012, 256578), (85526, 222036), (111018, 171052), (128289, 148024), (129521, 146616)]