19887648

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:570

約数の個数: 96

約数和(自身を含む): 58605120

約数和(自身を除く): 38717472

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 37, 44, 48, 66, 74, 88, 96, 111, 132, 148, 176, 222, 264, 296, 352, 407, 444, 509, 528, 592, 814, 888, 1018, 1056, 1184, 1221, 1527, 1628, 1776, 2036, 2442, 3054, 3256, 3552, 4072, 4884, 5599, 6108, 6512, 8144, 9768, 11198, 12216, 13024, 16288, 16797, 18833, 19536, 22396, 24432, 33594, 37666, 39072, 44792, 48864, 56499, 67188, 75332, 89584, 112998, 134376, 150664, 179168, 207163, 225996, 268752, 301328, 414326, 451992, 537504, 602656, 621489, 828652, 903984, 1242978, 1657304, 1807968, 2485956, 3314608, 4971912, 6629216, 9943824, 19887648]

約数ペア:

[(1, 19887648), (2, 9943824), (3, 6629216), (4, 4971912), (6, 3314608), (8, 2485956), (11, 1807968), (12, 1657304), (16, 1242978), (22, 903984), (24, 828652), (32, 621489), (33, 602656), (37, 537504), (44, 451992), (48, 414326), (66, 301328), (74, 268752), (88, 225996), (96, 207163), (111, 179168), (132, 150664), (148, 134376), (176, 112998), (222, 89584), (264, 75332), (296, 67188), (352, 56499), (407, 48864), (444, 44792), (509, 39072), (528, 37666), (592, 33594), (814, 24432), (888, 22396), (1018, 19536), (1056, 18833), (1184, 16797), (1221, 16288), (1527, 13024), (1628, 12216), (1776, 11198), (2036, 9768), (2442, 8144), (3054, 6512), (3256, 6108), (3552, 5599), (4072, 4884)]