19790848

素因数分解:

$2^{10}\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1$

素因数の和:289

約数の個数: 88

約数和(自身を含む): 49521024

約数和(自身を除く): 29730176

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 251, 256, 308, 352, 448, 502, 512, 616, 704, 896, 1004, 1024, 1232, 1408, 1757, 1792, 2008, 2464, 2761, 2816, 3514, 3584, 4016, 4928, 5522, 5632, 7028, 7168, 8032, 9856, 11044, 11264, 14056, 16064, 19327, 19712, 22088, 28112, 32128, 38654, 39424, 44176, 56224, 64256, 77308, 78848, 88352, 112448, 128512, 154616, 176704, 224896, 257024, 309232, 353408, 449792, 618464, 706816, 899584, 1236928, 1413632, 1799168, 2473856, 2827264, 4947712, 9895424, 19790848]

約数ペア:

[(1, 19790848), (2, 9895424), (4, 4947712), (7, 2827264), (8, 2473856), (11, 1799168), (14, 1413632), (16, 1236928), (22, 899584), (28, 706816), (32, 618464), (44, 449792), (56, 353408), (64, 309232), (77, 257024), (88, 224896), (112, 176704), (128, 154616), (154, 128512), (176, 112448), (224, 88352), (251, 78848), (256, 77308), (308, 64256), (352, 56224), (448, 44176), (502, 39424), (512, 38654), (616, 32128), (704, 28112), (896, 22088), (1004, 19712), (1024, 19327), (1232, 16064), (1408, 14056), (1757, 11264), (1792, 11044), (2008, 9856), (2464, 8032), (2761, 7168), (2816, 7028), (3514, 5632), (3584, 5522), (4016, 4928)]