19668908

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{3881}}^1$

素因数の和:4073

約数の個数: 24

約数和(自身を含む): 39565344

約数和(自身を除く): 19896436

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 1267, 2534, 3881, 5068, 7762, 15524, 27167, 54334, 108668, 702461, 1404922, 2809844, 4917227, 9834454, 19668908]

約数ペア:

[(1, 19668908), (2, 9834454), (4, 4917227), (7, 2809844), (14, 1404922), (28, 702461), (181, 108668), (362, 54334), (724, 27167), (1267, 15524), (2534, 7762), (3881, 5068)]