19189232

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11003}}^1$

素因数の和:11120

約数の個数: 20

約数和(自身を含む): 37523640

約数和(自身を除く): 18334408

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11003, 22006, 44012, 88024, 176048, 1199327, 2398654, 4797308, 9594616, 19189232]

約数ペア:

[(1, 19189232), (2, 9594616), (4, 4797308), (8, 2398654), (16, 1199327), (109, 176048), (218, 88024), (436, 44012), (872, 22006), (1744, 11003)]