19238128

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 46760896

約数和(自身を除く): 27522768

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 73, 91, 104, 112, 146, 181, 182, 208, 292, 362, 364, 511, 584, 724, 728, 949, 1022, 1168, 1267, 1448, 1456, 1898, 2044, 2353, 2534, 2896, 3796, 4088, 4706, 5068, 6643, 7592, 8176, 9412, 10136, 13213, 13286, 15184, 16471, 18824, 20272, 26426, 26572, 32942, 37648, 52852, 53144, 65884, 92491, 105704, 106288, 131768, 171769, 184982, 211408, 263536, 343538, 369964, 687076, 739928, 1202383, 1374152, 1479856, 2404766, 2748304, 4809532, 9619064, 19238128]

約数ペア:

[(1, 19238128), (2, 9619064), (4, 4809532), (7, 2748304), (8, 2404766), (13, 1479856), (14, 1374152), (16, 1202383), (26, 739928), (28, 687076), (52, 369964), (56, 343538), (73, 263536), (91, 211408), (104, 184982), (112, 171769), (146, 131768), (181, 106288), (182, 105704), (208, 92491), (292, 65884), (362, 53144), (364, 52852), (511, 37648), (584, 32942), (724, 26572), (728, 26426), (949, 20272), (1022, 18824), (1168, 16471), (1267, 15184), (1448, 13286), (1456, 13213), (1898, 10136), (2044, 9412), (2353, 8176), (2534, 7592), (2896, 6643), (3796, 5068), (4088, 4706)]