18587268

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:322

約数の個数: 108

約数和(自身を含む): 56206332

約数和(自身を除く): 37619064

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 49, 63, 82, 84, 98, 123, 126, 147, 164, 196, 246, 252, 257, 287, 294, 369, 441, 492, 514, 574, 588, 738, 771, 861, 882, 1028, 1148, 1476, 1542, 1722, 1764, 1799, 2009, 2313, 2583, 3084, 3444, 3598, 4018, 4626, 5166, 5397, 6027, 7196, 8036, 9252, 10332, 10537, 10794, 12054, 12593, 16191, 18081, 21074, 21588, 24108, 25186, 31611, 32382, 36162, 37779, 42148, 50372, 63222, 64764, 72324, 73759, 75558, 94833, 113337, 126444, 147518, 151116, 189666, 221277, 226674, 295036, 379332, 442554, 453348, 516313, 663831, 885108, 1032626, 1327662, 1548939, 2065252, 2655324, 3097878, 4646817, 6195756, 9293634, 18587268]

約数ペア:

[(1, 18587268), (2, 9293634), (3, 6195756), (4, 4646817), (6, 3097878), (7, 2655324), (9, 2065252), (12, 1548939), (14, 1327662), (18, 1032626), (21, 885108), (28, 663831), (36, 516313), (41, 453348), (42, 442554), (49, 379332), (63, 295036), (82, 226674), (84, 221277), (98, 189666), (123, 151116), (126, 147518), (147, 126444), (164, 113337), (196, 94833), (246, 75558), (252, 73759), (257, 72324), (287, 64764), (294, 63222), (369, 50372), (441, 42148), (492, 37779), (514, 36162), (574, 32382), (588, 31611), (738, 25186), (771, 24108), (861, 21588), (882, 21074), (1028, 18081), (1148, 16191), (1476, 12593), (1542, 12054), (1722, 10794), (1764, 10537), (1799, 10332), (2009, 9252), (2313, 8036), (2583, 7196), (3084, 6027), (3444, 5397), (3598, 5166), (4018, 4626)]