19005398

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{991}}^1$

素因数の和:1259

約数の個数: 16

約数和(自身を含む): 29331456

約数和(自身を除く): 10326058

約数列:

[1, 2, 43, 86, 223, 446, 991, 1982, 9589, 19178, 42613, 85226, 220993, 441986, 9502699, 19005398]

約数ペア:

[(1, 19005398), (2, 9502699), (43, 441986), (86, 220993), (223, 85226), (446, 42613), (991, 19178), (1982, 9589)]