19448870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2549}}^1$

素因数の和:2672

約数の個数: 32

約数和(自身を含む): 40392000

約数和(自身を除く): 20943130

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 2549, 3815, 5098, 7630, 12745, 17843, 25490, 35686, 89215, 178430, 277841, 555682, 1389205, 1944887, 2778410, 3889774, 9724435, 19448870]

約数ペア:

[(1, 19448870), (2, 9724435), (5, 3889774), (7, 2778410), (10, 1944887), (14, 1389205), (35, 555682), (70, 277841), (109, 178430), (218, 89215), (545, 35686), (763, 25490), (1090, 17843), (1526, 12745), (2549, 7630), (3815, 5098)]