19717492095

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{10193}}^1$

素因数の和:10326

約数の個数: 128

約数和(自身を含む): 42276556800

約数和(自身を除く): 22559064705

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 89, 105, 115, 135, 161, 189, 207, 267, 315, 345, 445, 483, 621, 623, 801, 805, 945, 1035, 1335, 1449, 1869, 2047, 2403, 2415, 3105, 3115, 4005, 4347, 5607, 6141, 7245, 9345, 10193, 10235, 12015, 14329, 16821, 18423, 21735, 28035, 30579, 30705, 42987, 50965, 55269, 71351, 71645, 84105, 91737, 92115, 128961, 152895, 214053, 214935, 234439, 275211, 276345, 356755, 386883, 458685, 642159, 644805, 703317, 907177, 1070265, 1172195, 1376055, 1641073, 1926477, 1934415, 2109951, 2721531, 3210795, 3516585, 4535885, 4923219, 6329853, 6350239, 8164593, 8205365, 9632385, 10549755, 13607655, 14769657, 19050717, 20865071, 24493779, 24616095, 31649265, 31751195, 40822965, 44308971, 57152151, 62595213, 73848285, 95253585, 104325355, 122468895, 146055497, 171456453, 187785639, 221544855, 285760755, 312976065, 438166491, 563356917, 730277485, 857282265, 938928195, 1314499473, 2190832455, 2816784585, 3943498419, 6572497365, 19717492095]

約数ペア:

[(1, 19717492095), (3, 6572497365), (5, 3943498419), (7, 2816784585), (9, 2190832455), (15, 1314499473), (21, 938928195), (23, 857282265), (27, 730277485), (35, 563356917), (45, 438166491), (63, 312976065), (69, 285760755), (89, 221544855), (105, 187785639), (115, 171456453), (135, 146055497), (161, 122468895), (189, 104325355), (207, 95253585), (267, 73848285), (315, 62595213), (345, 57152151), (445, 44308971), (483, 40822965), (621, 31751195), (623, 31649265), (801, 24616095), (805, 24493779), (945, 20865071), (1035, 19050717), (1335, 14769657), (1449, 13607655), (1869, 10549755), (2047, 9632385), (2403, 8205365), (2415, 8164593), (3105, 6350239), (3115, 6329853), (4005, 4923219), (4347, 4535885), (5607, 3516585), (6141, 3210795), (7245, 2721531), (9345, 2109951), (10193, 1934415), (10235, 1926477), (12015, 1641073), (14329, 1376055), (16821, 1172195), (18423, 1070265), (21735, 907177), (28035, 703317), (30579, 644805), (30705, 642159), (42987, 458685), (50965, 386883), (55269, 356755), (71351, 276345), (71645, 275211), (84105, 234439), (91737, 214935), (92115, 214053), (128961, 152895)]