18213768

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:148

約数の個数: 128

約数和(自身を含む): 54172800

約数和(自身を除く): 35959032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 43, 53, 54, 72, 74, 86, 106, 108, 111, 129, 148, 159, 172, 212, 216, 222, 258, 296, 318, 333, 344, 387, 424, 444, 477, 516, 636, 666, 774, 888, 954, 999, 1032, 1161, 1272, 1332, 1431, 1548, 1591, 1908, 1961, 1998, 2279, 2322, 2664, 2862, 3096, 3182, 3816, 3922, 3996, 4558, 4644, 4773, 5724, 5883, 6364, 6837, 7844, 7992, 9116, 9288, 9546, 11448, 11766, 12728, 13674, 14319, 15688, 17649, 18232, 19092, 20511, 23532, 27348, 28638, 35298, 38184, 41022, 42957, 47064, 52947, 54696, 57276, 61533, 70596, 82044, 84323, 85914, 105894, 114552, 123066, 141192, 164088, 168646, 171828, 211788, 246132, 252969, 337292, 343656, 423576, 492264, 505938, 674584, 758907, 1011876, 1517814, 2023752, 2276721, 3035628, 4553442, 6071256, 9106884, 18213768]

約数ペア:

[(1, 18213768), (2, 9106884), (3, 6071256), (4, 4553442), (6, 3035628), (8, 2276721), (9, 2023752), (12, 1517814), (18, 1011876), (24, 758907), (27, 674584), (36, 505938), (37, 492264), (43, 423576), (53, 343656), (54, 337292), (72, 252969), (74, 246132), (86, 211788), (106, 171828), (108, 168646), (111, 164088), (129, 141192), (148, 123066), (159, 114552), (172, 105894), (212, 85914), (216, 84323), (222, 82044), (258, 70596), (296, 61533), (318, 57276), (333, 54696), (344, 52947), (387, 47064), (424, 42957), (444, 41022), (477, 38184), (516, 35298), (636, 28638), (666, 27348), (774, 23532), (888, 20511), (954, 19092), (999, 18232), (1032, 17649), (1161, 15688), (1272, 14319), (1332, 13674), (1431, 12728), (1548, 11766), (1591, 11448), (1908, 9546), (1961, 9288), (1998, 9116), (2279, 7992), (2322, 7844), (2664, 6837), (2862, 6364), (3096, 5883), (3182, 5724), (3816, 4773), (3922, 4644), (3996, 4558)]