19199488

素因数分解:

$2^9\times 7^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1$

素因数の和:523

約数の個数: 80

約数和(自身を含む): 47925504

約数和(自身を除く): 28726016

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 487, 512, 616, 704, 896, 974, 1232, 1408, 1792, 1948, 2464, 2816, 3409, 3584, 3896, 4928, 5357, 5632, 6818, 7792, 9856, 10714, 13636, 15584, 19712, 21428, 27272, 31168, 37499, 39424, 42856, 54544, 62336, 74998, 85712, 109088, 124672, 149996, 171424, 218176, 249344, 299992, 342848, 436352, 599984, 685696, 872704, 1199968, 1371392, 1745408, 2399936, 2742784, 4799872, 9599744, 19199488]

約数ペア:

[(1, 19199488), (2, 9599744), (4, 4799872), (7, 2742784), (8, 2399936), (11, 1745408), (14, 1371392), (16, 1199968), (22, 872704), (28, 685696), (32, 599984), (44, 436352), (56, 342848), (64, 299992), (77, 249344), (88, 218176), (112, 171424), (128, 149996), (154, 124672), (176, 109088), (224, 85712), (256, 74998), (308, 62336), (352, 54544), (448, 42856), (487, 39424), (512, 37499), (616, 31168), (704, 27272), (896, 21428), (974, 19712), (1232, 15584), (1408, 13636), (1792, 10714), (1948, 9856), (2464, 7792), (2816, 6818), (3409, 5632), (3584, 5357), (3896, 4928)]