19952912

素因数分解:

$2^4\times 7^1\times {\mathrm{178151}}^1$

素因数の和:178166

約数の個数: 20

約数和(自身を含む): 44181696

約数和(自身を除く): 24228784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178151, 356302, 712604, 1247057, 1425208, 2494114, 2850416, 4988228, 9976456, 19952912]

約数ペア:

[(1, 19952912), (2, 9976456), (4, 4988228), (7, 2850416), (8, 2494114), (14, 1425208), (16, 1247057), (28, 712604), (56, 356302), (112, 178151)]