18261774

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:399

約数の個数: 80

約数和(自身を含む): 45738000

約数和(自身を除く): 27476226

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 27, 34, 38, 51, 54, 57, 81, 102, 114, 153, 162, 171, 306, 323, 342, 349, 459, 513, 646, 698, 918, 969, 1026, 1047, 1377, 1539, 1938, 2094, 2754, 2907, 3078, 3141, 5814, 5933, 6282, 6631, 8721, 9423, 11866, 13262, 17442, 17799, 18846, 19893, 26163, 28269, 35598, 39786, 52326, 53397, 56538, 59679, 106794, 112727, 119358, 160191, 179037, 225454, 320382, 338181, 358074, 480573, 537111, 676362, 961146, 1014543, 1074222, 2029086, 3043629, 6087258, 9130887, 18261774]

約数ペア:

[(1, 18261774), (2, 9130887), (3, 6087258), (6, 3043629), (9, 2029086), (17, 1074222), (18, 1014543), (19, 961146), (27, 676362), (34, 537111), (38, 480573), (51, 358074), (54, 338181), (57, 320382), (81, 225454), (102, 179037), (114, 160191), (153, 119358), (162, 112727), (171, 106794), (306, 59679), (323, 56538), (342, 53397), (349, 52326), (459, 39786), (513, 35598), (646, 28269), (698, 26163), (918, 19893), (969, 18846), (1026, 17799), (1047, 17442), (1377, 13262), (1539, 11866), (1938, 9423), (2094, 8721), (2754, 6631), (2907, 6282), (3078, 5933), (3141, 5814)]