19927936

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{967}}^1$

素因数の和:1011

約数の個数: 64

約数和(自身を含む): 47393280

約数和(自身を除く): 27465344

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 322, 368, 448, 644, 736, 896, 967, 1288, 1472, 1934, 2576, 2944, 3868, 5152, 6769, 7736, 10304, 13538, 15472, 20608, 22241, 27076, 30944, 44482, 54152, 61888, 88964, 108304, 123776, 155687, 177928, 216608, 311374, 355856, 433216, 622748, 711712, 866432, 1245496, 1423424, 2490992, 2846848, 4981984, 9963968, 19927936]

約数ペア:

[(1, 19927936), (2, 9963968), (4, 4981984), (7, 2846848), (8, 2490992), (14, 1423424), (16, 1245496), (23, 866432), (28, 711712), (32, 622748), (46, 433216), (56, 355856), (64, 311374), (92, 216608), (112, 177928), (128, 155687), (161, 123776), (184, 108304), (224, 88964), (322, 61888), (368, 54152), (448, 44482), (644, 30944), (736, 27076), (896, 22241), (967, 20608), (1288, 15472), (1472, 13538), (1934, 10304), (2576, 7736), (2944, 6769), (3868, 5152)]