19911168

素因数分解:

$2^9\times 3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:202

約数の個数: 120

約数和(自身を含む): 59845500

約数和(自身を除く): 39934332

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 64, 72, 87, 96, 116, 128, 144, 149, 174, 192, 232, 256, 261, 288, 298, 348, 384, 447, 464, 512, 522, 576, 596, 696, 768, 894, 928, 1044, 1152, 1192, 1341, 1392, 1536, 1788, 1856, 2088, 2304, 2384, 2682, 2784, 3576, 3712, 4176, 4321, 4608, 4768, 5364, 5568, 7152, 7424, 8352, 8642, 9536, 10728, 11136, 12963, 14304, 14848, 16704, 17284, 19072, 21456, 22272, 25926, 28608, 33408, 34568, 38144, 38889, 42912, 44544, 51852, 57216, 66816, 69136, 76288, 77778, 85824, 103704, 114432, 133632, 138272, 155556, 171648, 207408, 228864, 276544, 311112, 343296, 414816, 553088, 622224, 686592, 829632, 1106176, 1244448, 1659264, 2212352, 2488896, 3318528, 4977792, 6637056, 9955584, 19911168]

約数ペア:

[(1, 19911168), (2, 9955584), (3, 6637056), (4, 4977792), (6, 3318528), (8, 2488896), (9, 2212352), (12, 1659264), (16, 1244448), (18, 1106176), (24, 829632), (29, 686592), (32, 622224), (36, 553088), (48, 414816), (58, 343296), (64, 311112), (72, 276544), (87, 228864), (96, 207408), (116, 171648), (128, 155556), (144, 138272), (149, 133632), (174, 114432), (192, 103704), (232, 85824), (256, 77778), (261, 76288), (288, 69136), (298, 66816), (348, 57216), (384, 51852), (447, 44544), (464, 42912), (512, 38889), (522, 38144), (576, 34568), (596, 33408), (696, 28608), (768, 25926), (894, 22272), (928, 21456), (1044, 19072), (1152, 17284), (1192, 16704), (1341, 14848), (1392, 14304), (1536, 12963), (1788, 11136), (1856, 10728), (2088, 9536), (2304, 8642), (2384, 8352), (2682, 7424), (2784, 7152), (3576, 5568), (3712, 5364), (4176, 4768), (4321, 4608)]