19518464

素因数分解:

$2^{10}\times 7^2\times {\mathrm{389}}^1$

素因数の和:423

約数の個数: 66

約数和(自身を含む): 45504810

約数和(自身を除く): 25986346

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 389, 392, 448, 512, 778, 784, 896, 1024, 1556, 1568, 1792, 2723, 3112, 3136, 3584, 5446, 6224, 6272, 7168, 10892, 12448, 12544, 19061, 21784, 24896, 25088, 38122, 43568, 49792, 50176, 76244, 87136, 99584, 152488, 174272, 199168, 304976, 348544, 398336, 609952, 697088, 1219904, 1394176, 2439808, 2788352, 4879616, 9759232, 19518464]

約数ペア:

[(1, 19518464), (2, 9759232), (4, 4879616), (7, 2788352), (8, 2439808), (14, 1394176), (16, 1219904), (28, 697088), (32, 609952), (49, 398336), (56, 348544), (64, 304976), (98, 199168), (112, 174272), (128, 152488), (196, 99584), (224, 87136), (256, 76244), (389, 50176), (392, 49792), (448, 43568), (512, 38122), (778, 25088), (784, 24896), (896, 21784), (1024, 19061), (1556, 12544), (1568, 12448), (1792, 10892), (2723, 7168), (3112, 6272), (3136, 6224), (3584, 5446)]