18988256

素因数分解:

$2^5\times 7^1\times {\mathrm{103}}^1\times {\mathrm{823}}^1$

素因数の和:943

約数の個数: 48

約数和(自身を含む): 43190784

約数和(自身を除く): 24202528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 103, 112, 206, 224, 412, 721, 823, 824, 1442, 1646, 1648, 2884, 3292, 3296, 5761, 5768, 6584, 11522, 11536, 13168, 23044, 23072, 26336, 46088, 84769, 92176, 169538, 184352, 339076, 593383, 678152, 1186766, 1356304, 2373532, 2712608, 4747064, 9494128, 18988256]

約数ペア:

[(1, 18988256), (2, 9494128), (4, 4747064), (7, 2712608), (8, 2373532), (14, 1356304), (16, 1186766), (28, 678152), (32, 593383), (56, 339076), (103, 184352), (112, 169538), (206, 92176), (224, 84769), (412, 46088), (721, 26336), (823, 23072), (824, 23044), (1442, 13168), (1646, 11536), (1648, 11522), (2884, 6584), (3292, 5768), (3296, 5761)]