18506628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 58146816

約数和(自身を除く): 39640188

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 31, 36, 42, 46, 62, 63, 69, 84, 92, 93, 103, 124, 126, 138, 161, 186, 206, 207, 217, 252, 276, 279, 309, 322, 372, 412, 414, 434, 483, 558, 618, 644, 651, 713, 721, 828, 868, 927, 966, 1116, 1236, 1302, 1426, 1442, 1449, 1854, 1932, 1953, 2139, 2163, 2369, 2604, 2852, 2884, 2898, 3193, 3708, 3906, 4278, 4326, 4738, 4991, 5796, 6386, 6417, 6489, 7107, 7812, 8556, 8652, 9476, 9579, 9982, 12772, 12834, 12978, 14214, 14973, 16583, 19158, 19964, 21321, 22351, 25668, 25956, 28428, 28737, 29946, 33166, 38316, 42642, 44702, 44919, 49749, 57474, 59892, 66332, 67053, 73439, 85284, 89404, 89838, 99498, 114948, 134106, 146878, 149247, 179676, 198996, 201159, 220317, 268212, 293756, 298494, 402318, 440634, 514073, 596988, 660951, 804636, 881268, 1028146, 1321902, 1542219, 2056292, 2643804, 3084438, 4626657, 6168876, 9253314, 18506628]

約数ペア:

[(1, 18506628), (2, 9253314), (3, 6168876), (4, 4626657), (6, 3084438), (7, 2643804), (9, 2056292), (12, 1542219), (14, 1321902), (18, 1028146), (21, 881268), (23, 804636), (28, 660951), (31, 596988), (36, 514073), (42, 440634), (46, 402318), (62, 298494), (63, 293756), (69, 268212), (84, 220317), (92, 201159), (93, 198996), (103, 179676), (124, 149247), (126, 146878), (138, 134106), (161, 114948), (186, 99498), (206, 89838), (207, 89404), (217, 85284), (252, 73439), (276, 67053), (279, 66332), (309, 59892), (322, 57474), (372, 49749), (412, 44919), (414, 44702), (434, 42642), (483, 38316), (558, 33166), (618, 29946), (644, 28737), (651, 28428), (713, 25956), (721, 25668), (828, 22351), (868, 21321), (927, 19964), (966, 19158), (1116, 16583), (1236, 14973), (1302, 14214), (1426, 12978), (1442, 12834), (1449, 12772), (1854, 9982), (1932, 9579), (1953, 9476), (2139, 8652), (2163, 8556), (2369, 7812), (2604, 7107), (2852, 6489), (2884, 6417), (2898, 6386), (3193, 5796), (3708, 4991), (3906, 4738), (4278, 4326)]