19163804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{435541}}^1$

素因数の和:435556

約数の個数: 12

約数和(自身を含む): 36585528

約数和(自身を除く): 17421724

約数列:

[1, 2, 4, 11, 22, 44, 435541, 871082, 1742164, 4790951, 9581902, 19163804]

約数ペア:

[(1, 19163804), (2, 9581902), (4, 4790951), (11, 1742164), (22, 871082), (44, 435541)]