2019427990

素因数分解:

$2^1\times 5^1\times {\mathrm{1811}}^1\times {\mathrm{111509}}^1$

素因数の和:113327

約数の個数: 16

約数和(自身を含む): 3637010160

約数和(自身を除く): 1617582170

約数列:

[1, 2, 5, 10, 1811, 3622, 9055, 18110, 111509, 223018, 557545, 1115090, 201942799, 403885598, 1009713995, 2019427990]

約数ペア:

[(1, 2019427990), (2, 1009713995), (5, 403885598), (10, 201942799), (1811, 1115090), (3622, 557545), (9055, 223018), (18110, 111509)]