18803216

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{8971}}^1$

素因数の和:9110

約数の個数: 20

約数和(自身を含む): 36713424

約数和(自身を除く): 17910208

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 8971, 17942, 35884, 71768, 143536, 1175201, 2350402, 4700804, 9401608, 18803216]

約数ペア:

[(1, 18803216), (2, 9401608), (4, 4700804), (8, 2350402), (16, 1175201), (131, 143536), (262, 71768), (524, 35884), (1048, 17942), (2096, 8971)]