19509984

素因数分解:

$2^5\times 3^5\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:231

約数の個数: 144

約数和(自身を含む): 62283312

約数和(自身を除く): 42773328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 193, 208, 216, 234, 243, 288, 312, 324, 351, 386, 416, 432, 468, 486, 579, 624, 648, 702, 772, 864, 936, 972, 1053, 1158, 1248, 1296, 1404, 1544, 1737, 1872, 1944, 2106, 2316, 2509, 2592, 2808, 3088, 3159, 3474, 3744, 3888, 4212, 4632, 5018, 5211, 5616, 6176, 6318, 6948, 7527, 7776, 8424, 9264, 10036, 10422, 11232, 12636, 13896, 15054, 15633, 16848, 18528, 20072, 20844, 22581, 25272, 27792, 30108, 31266, 33696, 40144, 41688, 45162, 46899, 50544, 55584, 60216, 62532, 67743, 80288, 83376, 90324, 93798, 101088, 120432, 125064, 135486, 166752, 180648, 187596, 203229, 240864, 250128, 270972, 361296, 375192, 406458, 500256, 541944, 609687, 722592, 750384, 812916, 1083888, 1219374, 1500768, 1625832, 2167776, 2438748, 3251664, 4877496, 6503328, 9754992, 19509984]

約数ペア:

[(1, 19509984), (2, 9754992), (3, 6503328), (4, 4877496), (6, 3251664), (8, 2438748), (9, 2167776), (12, 1625832), (13, 1500768), (16, 1219374), (18, 1083888), (24, 812916), (26, 750384), (27, 722592), (32, 609687), (36, 541944), (39, 500256), (48, 406458), (52, 375192), (54, 361296), (72, 270972), (78, 250128), (81, 240864), (96, 203229), (104, 187596), (108, 180648), (117, 166752), (144, 135486), (156, 125064), (162, 120432), (193, 101088), (208, 93798), (216, 90324), (234, 83376), (243, 80288), (288, 67743), (312, 62532), (324, 60216), (351, 55584), (386, 50544), (416, 46899), (432, 45162), (468, 41688), (486, 40144), (579, 33696), (624, 31266), (648, 30108), (702, 27792), (772, 25272), (864, 22581), (936, 20844), (972, 20072), (1053, 18528), (1158, 16848), (1248, 15633), (1296, 15054), (1404, 13896), (1544, 12636), (1737, 11232), (1872, 10422), (1944, 10036), (2106, 9264), (2316, 8424), (2509, 7776), (2592, 7527), (2808, 6948), (3088, 6318), (3159, 6176), (3474, 5616), (3744, 5211), (3888, 5018), (4212, 4632)]