19965232

素因数分解:

$2^4\times 7^1\times {\mathrm{178261}}^1$

素因数の和:178276

約数の個数: 20

約数和(自身を含む): 44208976

約数和(自身を除く): 24243744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178261, 356522, 713044, 1247827, 1426088, 2495654, 2852176, 4991308, 9982616, 19965232]

約数ペア:

[(1, 19965232), (2, 9982616), (4, 4991308), (7, 2852176), (8, 2495654), (14, 1426088), (16, 1247827), (28, 713044), (56, 356522), (112, 178261)]