19804288

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:106

約数の個数: 96

約数和(自身を含む): 48617280

約数和(自身を除く): 28812992

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 46, 56, 62, 64, 92, 112, 124, 128, 161, 184, 217, 224, 248, 322, 368, 434, 448, 496, 644, 713, 736, 868, 896, 961, 992, 1288, 1426, 1472, 1736, 1922, 1984, 2576, 2852, 2944, 3472, 3844, 3968, 4991, 5152, 5704, 6727, 6944, 7688, 9982, 10304, 11408, 13454, 13888, 15376, 19964, 20608, 22103, 22816, 26908, 27776, 30752, 39928, 44206, 45632, 53816, 61504, 79856, 88412, 91264, 107632, 123008, 154721, 159712, 176824, 215264, 309442, 319424, 353648, 430528, 618884, 638848, 707296, 861056, 1237768, 1414592, 2475536, 2829184, 4951072, 9902144, 19804288]

約数ペア:

[(1, 19804288), (2, 9902144), (4, 4951072), (7, 2829184), (8, 2475536), (14, 1414592), (16, 1237768), (23, 861056), (28, 707296), (31, 638848), (32, 618884), (46, 430528), (56, 353648), (62, 319424), (64, 309442), (92, 215264), (112, 176824), (124, 159712), (128, 154721), (161, 123008), (184, 107632), (217, 91264), (224, 88412), (248, 79856), (322, 61504), (368, 53816), (434, 45632), (448, 44206), (496, 39928), (644, 30752), (713, 27776), (736, 26908), (868, 22816), (896, 22103), (961, 20608), (992, 19964), (1288, 15376), (1426, 13888), (1472, 13454), (1736, 11408), (1922, 10304), (1984, 9982), (2576, 7688), (2852, 6944), (2944, 6727), (3472, 5704), (3844, 5152), (3968, 4991)]