18154864

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 44594368

約数和(自身を除く): 26439504

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 52, 56, 74, 91, 104, 112, 148, 182, 208, 259, 296, 337, 364, 481, 518, 592, 674, 728, 962, 1036, 1348, 1456, 1924, 2072, 2359, 2696, 3367, 3848, 4144, 4381, 4718, 5392, 6734, 7696, 8762, 9436, 12469, 13468, 17524, 18872, 24938, 26936, 30667, 35048, 37744, 49876, 53872, 61334, 70096, 87283, 99752, 122668, 162097, 174566, 199504, 245336, 324194, 349132, 490672, 648388, 698264, 1134679, 1296776, 1396528, 2269358, 2593552, 4538716, 9077432, 18154864]

約数ペア:

[(1, 18154864), (2, 9077432), (4, 4538716), (7, 2593552), (8, 2269358), (13, 1396528), (14, 1296776), (16, 1134679), (26, 698264), (28, 648388), (37, 490672), (52, 349132), (56, 324194), (74, 245336), (91, 199504), (104, 174566), (112, 162097), (148, 122668), (182, 99752), (208, 87283), (259, 70096), (296, 61334), (337, 53872), (364, 49876), (481, 37744), (518, 35048), (592, 30667), (674, 26936), (728, 24938), (962, 18872), (1036, 17524), (1348, 13468), (1456, 12469), (1924, 9436), (2072, 8762), (2359, 7696), (2696, 6734), (3367, 5392), (3848, 4718), (4144, 4381)]