19153904

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2221}}^1$

素因数の和:2254

約数の個数: 60

約数和(自身を含む): 47115288

約数和(自身を除く): 27961384

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 2221, 4312, 4442, 8624, 8884, 15547, 17768, 24431, 31094, 35536, 48862, 62188, 97724, 108829, 124376, 171017, 195448, 217658, 248752, 342034, 390896, 435316, 684068, 870632, 1197119, 1368136, 1741264, 2394238, 2736272, 4788476, 9576952, 19153904]

約数ペア:

[(1, 19153904), (2, 9576952), (4, 4788476), (7, 2736272), (8, 2394238), (11, 1741264), (14, 1368136), (16, 1197119), (22, 870632), (28, 684068), (44, 435316), (49, 390896), (56, 342034), (77, 248752), (88, 217658), (98, 195448), (112, 171017), (154, 124376), (176, 108829), (196, 97724), (308, 62188), (392, 48862), (539, 35536), (616, 31094), (784, 24431), (1078, 17768), (1232, 15547), (2156, 8884), (2221, 8624), (4312, 4442)]