19627952

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:705

約数の個数: 40

約数和(自身を含む): 39806976

約数和(自身を除く): 20179024

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 344, 376, 607, 688, 752, 1214, 2021, 2428, 4042, 4856, 8084, 9712, 16168, 26101, 28529, 32336, 52202, 57058, 104404, 114116, 208808, 228232, 417616, 456464, 1226747, 2453494, 4906988, 9813976, 19627952]

約数ペア:

[(1, 19627952), (2, 9813976), (4, 4906988), (8, 2453494), (16, 1226747), (43, 456464), (47, 417616), (86, 228232), (94, 208808), (172, 114116), (188, 104404), (344, 57058), (376, 52202), (607, 32336), (688, 28529), (752, 26101), (1214, 16168), (2021, 9712), (2428, 8084), (4042, 4856)]