18519864

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 54432000

約数和(自身を除く): 35912136

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 29, 33, 41, 44, 58, 59, 66, 82, 87, 88, 116, 118, 123, 132, 164, 174, 177, 232, 236, 246, 264, 319, 328, 348, 354, 451, 472, 492, 638, 649, 696, 708, 902, 957, 984, 1189, 1276, 1298, 1353, 1416, 1711, 1804, 1914, 1947, 2378, 2419, 2552, 2596, 2706, 3422, 3567, 3608, 3828, 3894, 4756, 4838, 5133, 5192, 5412, 6844, 7134, 7257, 7656, 7788, 9512, 9676, 10266, 10824, 13079, 13688, 14268, 14514, 15576, 18821, 19352, 20532, 26158, 26609, 28536, 29028, 37642, 39237, 41064, 52316, 53218, 56463, 58056, 70151, 75284, 78474, 79827, 104632, 106436, 112926, 140302, 150568, 156948, 159654, 210453, 212872, 225852, 280604, 313896, 319308, 420906, 451704, 561208, 638616, 771661, 841812, 1543322, 1683624, 2314983, 3086644, 4629966, 6173288, 9259932, 18519864]

約数ペア:

[(1, 18519864), (2, 9259932), (3, 6173288), (4, 4629966), (6, 3086644), (8, 2314983), (11, 1683624), (12, 1543322), (22, 841812), (24, 771661), (29, 638616), (33, 561208), (41, 451704), (44, 420906), (58, 319308), (59, 313896), (66, 280604), (82, 225852), (87, 212872), (88, 210453), (116, 159654), (118, 156948), (123, 150568), (132, 140302), (164, 112926), (174, 106436), (177, 104632), (232, 79827), (236, 78474), (246, 75284), (264, 70151), (319, 58056), (328, 56463), (348, 53218), (354, 52316), (451, 41064), (472, 39237), (492, 37642), (638, 29028), (649, 28536), (696, 26609), (708, 26158), (902, 20532), (957, 19352), (984, 18821), (1189, 15576), (1276, 14514), (1298, 14268), (1353, 13688), (1416, 13079), (1711, 10824), (1804, 10266), (1914, 9676), (1947, 9512), (2378, 7788), (2419, 7656), (2552, 7257), (2596, 7134), (2706, 6844), (3422, 5412), (3567, 5192), (3608, 5133), (3828, 4838), (3894, 4756)]