19004390

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4787}}^1$

素因数の和:5191

約数の個数: 16

約数和(自身を含む): 34301232

約数和(自身を除く): 15296842

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 4787, 9574, 23935, 47870, 1900439, 3800878, 9502195, 19004390]

約数ペア:

[(1, 19004390), (2, 9502195), (5, 3800878), (10, 1900439), (397, 47870), (794, 23935), (1985, 9574), (3970, 4787)]