19504912

素因数分解:

$2^4\times 7^1\times {\mathrm{349}}^1\times {\mathrm{499}}^1$

素因数の和:863

約数の個数: 40

約数和(自身を含む): 43400000

約数和(自身を除く): 23895088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 349, 499, 698, 998, 1396, 1996, 2443, 2792, 3493, 3992, 4886, 5584, 6986, 7984, 9772, 13972, 19544, 27944, 39088, 55888, 174151, 348302, 696604, 1219057, 1393208, 2438114, 2786416, 4876228, 9752456, 19504912]

約数ペア:

[(1, 19504912), (2, 9752456), (4, 4876228), (7, 2786416), (8, 2438114), (14, 1393208), (16, 1219057), (28, 696604), (56, 348302), (112, 174151), (349, 55888), (499, 39088), (698, 27944), (998, 19544), (1396, 13972), (1996, 9772), (2443, 7984), (2792, 6986), (3493, 5584), (3992, 4886)]