18691090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{169919}}^1$

素因数の和:169937

約数の個数: 16

約数和(自身を含む): 36702720

約数和(自身を除く): 18011630

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 169919, 339838, 849595, 1699190, 1869109, 3738218, 9345545, 18691090]

約数ペア:

[(1, 18691090), (2, 9345545), (5, 3738218), (10, 1869109), (11, 1699190), (22, 849595), (55, 339838), (110, 169919)]