18352672

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 39298392

約数和(自身を除く): 20945720

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 157, 208, 281, 314, 416, 562, 628, 1124, 1256, 2041, 2248, 2512, 3653, 4082, 4496, 5024, 7306, 8164, 8992, 14612, 16328, 29224, 32656, 44117, 58448, 65312, 88234, 116896, 176468, 352936, 573521, 705872, 1147042, 1411744, 2294084, 4588168, 9176336, 18352672]

約数ペア:

[(1, 18352672), (2, 9176336), (4, 4588168), (8, 2294084), (13, 1411744), (16, 1147042), (26, 705872), (32, 573521), (52, 352936), (104, 176468), (157, 116896), (208, 88234), (281, 65312), (314, 58448), (416, 44117), (562, 32656), (628, 29224), (1124, 16328), (1256, 14612), (2041, 8992), (2248, 8164), (2512, 7306), (3653, 5024), (4082, 4496)]