18986772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 53625600

約数和(自身を除く): 34638828

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 41, 42, 74, 82, 84, 111, 123, 148, 149, 164, 222, 246, 259, 287, 298, 444, 447, 492, 518, 574, 596, 777, 861, 894, 1036, 1043, 1148, 1517, 1554, 1722, 1788, 2086, 3034, 3108, 3129, 3444, 4172, 4551, 5513, 6068, 6109, 6258, 9102, 10619, 11026, 12218, 12516, 16539, 18204, 18327, 21238, 22052, 24436, 31857, 33078, 36654, 38591, 42476, 42763, 63714, 66156, 73308, 77182, 85526, 115773, 127428, 128289, 154364, 171052, 226033, 231546, 256578, 452066, 463092, 513156, 678099, 904132, 1356198, 1582231, 2712396, 3164462, 4746693, 6328924, 9493386, 18986772]

約数ペア:

[(1, 18986772), (2, 9493386), (3, 6328924), (4, 4746693), (6, 3164462), (7, 2712396), (12, 1582231), (14, 1356198), (21, 904132), (28, 678099), (37, 513156), (41, 463092), (42, 452066), (74, 256578), (82, 231546), (84, 226033), (111, 171052), (123, 154364), (148, 128289), (149, 127428), (164, 115773), (222, 85526), (246, 77182), (259, 73308), (287, 66156), (298, 63714), (444, 42763), (447, 42476), (492, 38591), (518, 36654), (574, 33078), (596, 31857), (777, 24436), (861, 22052), (894, 21238), (1036, 18327), (1043, 18204), (1148, 16539), (1517, 12516), (1554, 12218), (1722, 11026), (1788, 10619), (2086, 9102), (3034, 6258), (3108, 6109), (3129, 6068), (3444, 5513), (4172, 4551)]