18400088

素因数分解:

$2^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 40745880

約数和(自身を除く): 22345792

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 73, 98, 146, 196, 292, 392, 511, 584, 643, 1022, 1286, 2044, 2572, 3577, 4088, 4501, 5144, 7154, 9002, 14308, 18004, 28616, 31507, 36008, 46939, 63014, 93878, 126028, 187756, 252056, 328573, 375512, 657146, 1314292, 2300011, 2628584, 4600022, 9200044, 18400088]

約数ペア:

[(1, 18400088), (2, 9200044), (4, 4600022), (7, 2628584), (8, 2300011), (14, 1314292), (28, 657146), (49, 375512), (56, 328573), (73, 252056), (98, 187756), (146, 126028), (196, 93878), (292, 63014), (392, 46939), (511, 36008), (584, 31507), (643, 28616), (1022, 18004), (1286, 14308), (2044, 9002), (2572, 7154), (3577, 5144), (4088, 4501)]