18688644

素因数分解:

$2^2\times 3^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:81

約数の個数: 168

約数和(自身を含む): 57841560

約数和(自身を除く): 39152916

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 29, 34, 36, 39, 51, 52, 54, 58, 68, 78, 81, 87, 102, 108, 116, 117, 153, 156, 162, 174, 204, 221, 234, 243, 261, 306, 324, 348, 351, 377, 442, 459, 468, 486, 493, 522, 612, 663, 702, 729, 754, 783, 884, 918, 972, 986, 1044, 1053, 1131, 1326, 1377, 1404, 1458, 1479, 1508, 1566, 1836, 1972, 1989, 2106, 2262, 2349, 2652, 2754, 2916, 2958, 3132, 3159, 3393, 3978, 4131, 4212, 4437, 4524, 4698, 5508, 5916, 5967, 6318, 6409, 6786, 7047, 7956, 8262, 8874, 9396, 9477, 10179, 11934, 12393, 12636, 12818, 13311, 13572, 14094, 16524, 17748, 17901, 18954, 19227, 20358, 21141, 23868, 24786, 25636, 26622, 28188, 30537, 35802, 37908, 38454, 39933, 40716, 42282, 49572, 53244, 53703, 57681, 61074, 71604, 76908, 79866, 84564, 91611, 107406, 115362, 119799, 122148, 159732, 161109, 173043, 183222, 214812, 230724, 239598, 274833, 322218, 346086, 359397, 366444, 479196, 519129, 549666, 644436, 692172, 718794, 1038258, 1099332, 1437588, 1557387, 2076516, 3114774, 4672161, 6229548, 9344322, 18688644]

約数ペア:

[(1, 18688644), (2, 9344322), (3, 6229548), (4, 4672161), (6, 3114774), (9, 2076516), (12, 1557387), (13, 1437588), (17, 1099332), (18, 1038258), (26, 718794), (27, 692172), (29, 644436), (34, 549666), (36, 519129), (39, 479196), (51, 366444), (52, 359397), (54, 346086), (58, 322218), (68, 274833), (78, 239598), (81, 230724), (87, 214812), (102, 183222), (108, 173043), (116, 161109), (117, 159732), (153, 122148), (156, 119799), (162, 115362), (174, 107406), (204, 91611), (221, 84564), (234, 79866), (243, 76908), (261, 71604), (306, 61074), (324, 57681), (348, 53703), (351, 53244), (377, 49572), (442, 42282), (459, 40716), (468, 39933), (486, 38454), (493, 37908), (522, 35802), (612, 30537), (663, 28188), (702, 26622), (729, 25636), (754, 24786), (783, 23868), (884, 21141), (918, 20358), (972, 19227), (986, 18954), (1044, 17901), (1053, 17748), (1131, 16524), (1326, 14094), (1377, 13572), (1404, 13311), (1458, 12818), (1479, 12636), (1508, 12393), (1566, 11934), (1836, 10179), (1972, 9477), (1989, 9396), (2106, 8874), (2262, 8262), (2349, 7956), (2652, 7047), (2754, 6786), (2916, 6409), (2958, 6318), (3132, 5967), (3159, 5916), (3393, 5508), (3978, 4698), (4131, 4524), (4212, 4437)]