19910330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181003}}^1$

素因数の和:181021

約数の個数: 16

約数和(自身を含む): 39096864

約数和(自身を除く): 19186534

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181003, 362006, 905015, 1810030, 1991033, 3982066, 9955165, 19910330]

約数ペア:

[(1, 19910330), (2, 9955165), (5, 3982066), (10, 1991033), (11, 1810030), (22, 905015), (55, 362006), (110, 181003)]