19999056

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{773}}^1$

素因数の和:809

約数の個数: 120

約数和(自身を含む): 65647584

約数和(自身を除く): 45648528

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 49, 56, 66, 77, 84, 88, 98, 112, 132, 147, 154, 168, 176, 196, 231, 264, 294, 308, 336, 392, 462, 528, 539, 588, 616, 773, 784, 924, 1078, 1176, 1232, 1546, 1617, 1848, 2156, 2319, 2352, 3092, 3234, 3696, 4312, 4638, 5411, 6184, 6468, 8503, 8624, 9276, 10822, 12368, 12936, 16233, 17006, 18552, 21644, 25509, 25872, 32466, 34012, 37104, 37877, 43288, 51018, 59521, 64932, 68024, 75754, 86576, 102036, 113631, 119042, 129864, 136048, 151508, 178563, 204072, 227262, 238084, 259728, 303016, 357126, 408144, 416647, 454524, 476168, 606032, 714252, 833294, 909048, 952336, 1249941, 1428504, 1666588, 1818096, 2499882, 2857008, 3333176, 4999764, 6666352, 9999528, 19999056]

約数ペア:

[(1, 19999056), (2, 9999528), (3, 6666352), (4, 4999764), (6, 3333176), (7, 2857008), (8, 2499882), (11, 1818096), (12, 1666588), (14, 1428504), (16, 1249941), (21, 952336), (22, 909048), (24, 833294), (28, 714252), (33, 606032), (42, 476168), (44, 454524), (48, 416647), (49, 408144), (56, 357126), (66, 303016), (77, 259728), (84, 238084), (88, 227262), (98, 204072), (112, 178563), (132, 151508), (147, 136048), (154, 129864), (168, 119042), (176, 113631), (196, 102036), (231, 86576), (264, 75754), (294, 68024), (308, 64932), (336, 59521), (392, 51018), (462, 43288), (528, 37877), (539, 37104), (588, 34012), (616, 32466), (773, 25872), (784, 25509), (924, 21644), (1078, 18552), (1176, 17006), (1232, 16233), (1546, 12936), (1617, 12368), (1848, 10822), (2156, 9276), (2319, 8624), (2352, 8503), (3092, 6468), (3234, 6184), (3696, 5411), (4312, 4638)]