19814165

素因数分解:

$5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2089}}^1$

素因数の和:2372

約数の個数: 16

約数和(自身を含む): 27287040

約数和(自身を除く): 7472875

約数列:

[1, 5, 7, 35, 271, 1355, 1897, 2089, 9485, 10445, 14623, 73115, 566119, 2830595, 3962833, 19814165]

約数ペア:

[(1, 19814165), (5, 3962833), (7, 2830595), (35, 566119), (271, 73115), (1355, 14623), (1897, 10445), (2089, 9485)]