19506564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 63737856

約数和(自身を除く): 44231292

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 31, 33, 36, 42, 44, 62, 63, 66, 77, 84, 93, 99, 124, 126, 132, 154, 186, 198, 217, 227, 231, 252, 279, 308, 341, 372, 396, 434, 454, 462, 558, 651, 681, 682, 693, 868, 908, 924, 1023, 1116, 1302, 1362, 1364, 1386, 1589, 1953, 2043, 2046, 2387, 2497, 2604, 2724, 2772, 3069, 3178, 3906, 4086, 4092, 4767, 4774, 4994, 6138, 6356, 7037, 7161, 7491, 7812, 8172, 9534, 9548, 9988, 12276, 14074, 14301, 14322, 14982, 17479, 19068, 21111, 21483, 22473, 28148, 28602, 28644, 29964, 34958, 42222, 42966, 44946, 49259, 52437, 57204, 63333, 69916, 77407, 84444, 85932, 89892, 98518, 104874, 126666, 147777, 154814, 157311, 197036, 209748, 232221, 253332, 295554, 309628, 314622, 443331, 464442, 541849, 591108, 629244, 696663, 886662, 928884, 1083698, 1393326, 1625547, 1773324, 2167396, 2786652, 3251094, 4876641, 6502188, 9753282, 19506564]

約数ペア:

[(1, 19506564), (2, 9753282), (3, 6502188), (4, 4876641), (6, 3251094), (7, 2786652), (9, 2167396), (11, 1773324), (12, 1625547), (14, 1393326), (18, 1083698), (21, 928884), (22, 886662), (28, 696663), (31, 629244), (33, 591108), (36, 541849), (42, 464442), (44, 443331), (62, 314622), (63, 309628), (66, 295554), (77, 253332), (84, 232221), (93, 209748), (99, 197036), (124, 157311), (126, 154814), (132, 147777), (154, 126666), (186, 104874), (198, 98518), (217, 89892), (227, 85932), (231, 84444), (252, 77407), (279, 69916), (308, 63333), (341, 57204), (372, 52437), (396, 49259), (434, 44946), (454, 42966), (462, 42222), (558, 34958), (651, 29964), (681, 28644), (682, 28602), (693, 28148), (868, 22473), (908, 21483), (924, 21111), (1023, 19068), (1116, 17479), (1302, 14982), (1362, 14322), (1364, 14301), (1386, 14074), (1589, 12276), (1953, 9988), (2043, 9548), (2046, 9534), (2387, 8172), (2497, 7812), (2604, 7491), (2724, 7161), (2772, 7037), (3069, 6356), (3178, 6138), (3906, 4994), (4086, 4774), (4092, 4767)]