18449874

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{739}}^1$

素因数の和:839

約数の個数: 48

約数和(自身を含む): 42712800

約数和(自身を除く): 24262926

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 73, 114, 146, 171, 219, 342, 438, 657, 739, 1314, 1387, 1478, 2217, 2774, 4161, 4434, 6651, 8322, 12483, 13302, 14041, 24966, 28082, 42123, 53947, 84246, 107894, 126369, 161841, 252738, 323682, 485523, 971046, 1024993, 2049986, 3074979, 6149958, 9224937, 18449874]

約数ペア:

[(1, 18449874), (2, 9224937), (3, 6149958), (6, 3074979), (9, 2049986), (18, 1024993), (19, 971046), (38, 485523), (57, 323682), (73, 252738), (114, 161841), (146, 126369), (171, 107894), (219, 84246), (342, 53947), (438, 42123), (657, 28082), (739, 24966), (1314, 14041), (1387, 13302), (1478, 12483), (2217, 8322), (2774, 6651), (4161, 4434)]