19391616

素因数分解:

$2^7\times 3^3\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 59404800

約数和(自身を除く): 40013184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 128, 144, 181, 186, 192, 216, 248, 279, 288, 362, 372, 384, 432, 496, 543, 558, 576, 724, 744, 837, 864, 992, 1086, 1116, 1152, 1448, 1488, 1629, 1674, 1728, 1984, 2172, 2232, 2896, 2976, 3258, 3348, 3456, 3968, 4344, 4464, 4887, 5611, 5792, 5952, 6516, 6696, 8688, 8928, 9774, 11222, 11584, 11904, 13032, 13392, 16833, 17376, 17856, 19548, 22444, 23168, 26064, 26784, 33666, 34752, 35712, 39096, 44888, 50499, 52128, 53568, 67332, 69504, 78192, 89776, 100998, 104256, 107136, 134664, 151497, 156384, 179552, 201996, 208512, 269328, 302994, 312768, 359104, 403992, 538656, 605988, 625536, 718208, 807984, 1077312, 1211976, 1615968, 2154624, 2423952, 3231936, 4847904, 6463872, 9695808, 19391616]

約数ペア:

[(1, 19391616), (2, 9695808), (3, 6463872), (4, 4847904), (6, 3231936), (8, 2423952), (9, 2154624), (12, 1615968), (16, 1211976), (18, 1077312), (24, 807984), (27, 718208), (31, 625536), (32, 605988), (36, 538656), (48, 403992), (54, 359104), (62, 312768), (64, 302994), (72, 269328), (93, 208512), (96, 201996), (108, 179552), (124, 156384), (128, 151497), (144, 134664), (181, 107136), (186, 104256), (192, 100998), (216, 89776), (248, 78192), (279, 69504), (288, 67332), (362, 53568), (372, 52128), (384, 50499), (432, 44888), (496, 39096), (543, 35712), (558, 34752), (576, 33666), (724, 26784), (744, 26064), (837, 23168), (864, 22444), (992, 19548), (1086, 17856), (1116, 17376), (1152, 16833), (1448, 13392), (1488, 13032), (1629, 11904), (1674, 11584), (1728, 11222), (1984, 9774), (2172, 8928), (2232, 8688), (2896, 6696), (2976, 6516), (3258, 5952), (3348, 5792), (3456, 5611), (3968, 4887), (4344, 4464)]