2081090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18919}}^1$

素因数の和:18937

約数の個数: 16

約数和(自身を含む): 4086720

約数和(自身を除く): 2005630

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 18919, 37838, 94595, 189190, 208109, 416218, 1040545, 2081090]

約数ペア:

[(1, 2081090), (2, 1040545), (5, 416218), (10, 208109), (11, 189190), (22, 94595), (55, 37838), (110, 18919)]