19688856

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 58786560

約数和(自身を除く): 39097704

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 41, 44, 51, 66, 68, 82, 88, 102, 107, 123, 132, 136, 164, 187, 204, 214, 246, 264, 321, 328, 374, 408, 428, 451, 492, 561, 642, 697, 748, 856, 902, 984, 1122, 1177, 1284, 1353, 1394, 1496, 1804, 1819, 2091, 2244, 2354, 2568, 2706, 2788, 3531, 3608, 3638, 4182, 4387, 4488, 4708, 5412, 5457, 5576, 7062, 7276, 7667, 8364, 8774, 9416, 10824, 10914, 13161, 14124, 14552, 15334, 16728, 17548, 20009, 21828, 23001, 26322, 28248, 30668, 35096, 40018, 43656, 46002, 48257, 52644, 60027, 61336, 74579, 80036, 92004, 96514, 105288, 120054, 144771, 149158, 160072, 184008, 193028, 223737, 240108, 289542, 298316, 386056, 447474, 480216, 579084, 596632, 820369, 894948, 1158168, 1640738, 1789896, 2461107, 3281476, 4922214, 6562952, 9844428, 19688856]

約数ペア:

[(1, 19688856), (2, 9844428), (3, 6562952), (4, 4922214), (6, 3281476), (8, 2461107), (11, 1789896), (12, 1640738), (17, 1158168), (22, 894948), (24, 820369), (33, 596632), (34, 579084), (41, 480216), (44, 447474), (51, 386056), (66, 298316), (68, 289542), (82, 240108), (88, 223737), (102, 193028), (107, 184008), (123, 160072), (132, 149158), (136, 144771), (164, 120054), (187, 105288), (204, 96514), (214, 92004), (246, 80036), (264, 74579), (321, 61336), (328, 60027), (374, 52644), (408, 48257), (428, 46002), (451, 43656), (492, 40018), (561, 35096), (642, 30668), (697, 28248), (748, 26322), (856, 23001), (902, 21828), (984, 20009), (1122, 17548), (1177, 16728), (1284, 15334), (1353, 14552), (1394, 14124), (1496, 13161), (1804, 10914), (1819, 10824), (2091, 9416), (2244, 8774), (2354, 8364), (2568, 7667), (2706, 7276), (2788, 7062), (3531, 5576), (3608, 5457), (3638, 5412), (4182, 4708), (4387, 4488)]