19515776

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:991

約数の個数: 64

約数和(自身を含む): 46414080

約数和(自身を除く): 26898304

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, 947, 1288, 1472, 1894, 2576, 2944, 3788, 5152, 6629, 7576, 10304, 13258, 15152, 20608, 21781, 26516, 30304, 43562, 53032, 60608, 87124, 106064, 121216, 152467, 174248, 212128, 304934, 348496, 424256, 609868, 696992, 848512, 1219736, 1393984, 2439472, 2787968, 4878944, 9757888, 19515776]

約数ペア:

[(1, 19515776), (2, 9757888), (4, 4878944), (7, 2787968), (8, 2439472), (14, 1393984), (16, 1219736), (23, 848512), (28, 696992), (32, 609868), (46, 424256), (56, 348496), (64, 304934), (92, 212128), (112, 174248), (128, 152467), (161, 121216), (184, 106064), (224, 87124), (322, 60608), (368, 53032), (448, 43562), (644, 30304), (736, 26516), (896, 21781), (947, 20608), (1288, 15152), (1472, 13258), (1894, 10304), (2576, 7576), (2944, 6629), (3788, 5152)]