18717193

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 21482496

約数和(自身を除く): 2765303

約数列:

[1, 11, 23, 167, 253, 443, 1837, 3841, 4873, 10189, 42251, 73981, 112079, 813791, 1701563, 18717193]

約数ペア:

[(1, 18717193), (11, 1701563), (23, 813791), (167, 112079), (253, 73981), (443, 42251), (1837, 10189), (3841, 4873)]