19480676

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{54721}}^1$

素因数の和:54814

約数の個数: 12

約数和(自身を含む): 34474860

約数和(自身を除く): 14994184

約数列:

[1, 2, 4, 89, 178, 356, 54721, 109442, 218884, 4870169, 9740338, 19480676]

約数ペア:

[(1, 19480676), (2, 9740338), (4, 4870169), (89, 218884), (178, 109442), (356, 54721)]