19369504

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1123}}^1$

素因数の和:1158

約数の個数: 72

約数和(自身を含む): 48435408

約数和(自身を除く): 29065904

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 539, 616, 784, 1078, 1123, 1232, 1568, 2156, 2246, 2464, 4312, 4492, 7861, 8624, 8984, 12353, 15722, 17248, 17968, 24706, 31444, 35936, 49412, 55027, 62888, 86471, 98824, 110054, 125776, 172942, 197648, 220108, 251552, 345884, 395296, 440216, 605297, 691768, 880432, 1210594, 1383536, 1760864, 2421188, 2767072, 4842376, 9684752, 19369504]

約数ペア:

[(1, 19369504), (2, 9684752), (4, 4842376), (7, 2767072), (8, 2421188), (11, 1760864), (14, 1383536), (16, 1210594), (22, 880432), (28, 691768), (32, 605297), (44, 440216), (49, 395296), (56, 345884), (77, 251552), (88, 220108), (98, 197648), (112, 172942), (154, 125776), (176, 110054), (196, 98824), (224, 86471), (308, 62888), (352, 55027), (392, 49412), (539, 35936), (616, 31444), (784, 24706), (1078, 17968), (1123, 17248), (1232, 15722), (1568, 12353), (2156, 8984), (2246, 8624), (2464, 7861), (4312, 4492)]