19471888

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{20627}}^1$

素因数の和:20694

約数の個数: 20

約数和(自身を含む): 38368080

約数和(自身を除く): 18896192

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 20627, 41254, 82508, 165016, 330032, 1216993, 2433986, 4867972, 9735944, 19471888]

約数ペア:

[(1, 19471888), (2, 9735944), (4, 4867972), (8, 2433986), (16, 1216993), (59, 330032), (118, 165016), (236, 82508), (472, 41254), (944, 20627)]