19195904

素因数分解:

$2^{11}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 47698560

約数和(自身を除く): 28502656

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 103, 104, 112, 128, 182, 206, 208, 224, 256, 364, 412, 416, 448, 512, 721, 728, 824, 832, 896, 1024, 1339, 1442, 1456, 1648, 1664, 1792, 2048, 2678, 2884, 2912, 3296, 3328, 3584, 5356, 5768, 5824, 6592, 6656, 7168, 9373, 10712, 11536, 11648, 13184, 13312, 14336, 18746, 21424, 23072, 23296, 26368, 26624, 37492, 42848, 46144, 46592, 52736, 74984, 85696, 92288, 93184, 105472, 149968, 171392, 184576, 186368, 210944, 299936, 342784, 369152, 599872, 685568, 738304, 1199744, 1371136, 1476608, 2399488, 2742272, 4798976, 9597952, 19195904]

約数ペア:

[(1, 19195904), (2, 9597952), (4, 4798976), (7, 2742272), (8, 2399488), (13, 1476608), (14, 1371136), (16, 1199744), (26, 738304), (28, 685568), (32, 599872), (52, 369152), (56, 342784), (64, 299936), (91, 210944), (103, 186368), (104, 184576), (112, 171392), (128, 149968), (182, 105472), (206, 93184), (208, 92288), (224, 85696), (256, 74984), (364, 52736), (412, 46592), (416, 46144), (448, 42848), (512, 37492), (721, 26624), (728, 26368), (824, 23296), (832, 23072), (896, 21424), (1024, 18746), (1339, 14336), (1442, 13312), (1456, 13184), (1648, 11648), (1664, 11536), (1792, 10712), (2048, 9373), (2678, 7168), (2884, 6656), (2912, 6592), (3296, 5824), (3328, 5768), (3584, 5356)]