18079768

素因数分解:

$2^3\times 7^1\times {\mathrm{499}}^1\times {\mathrm{647}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 20800232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 499, 647, 998, 1294, 1996, 2588, 3493, 3992, 4529, 5176, 6986, 9058, 13972, 18116, 27944, 36232, 322853, 645706, 1291412, 2259971, 2582824, 4519942, 9039884, 18079768]

約数ペア:

[(1, 18079768), (2, 9039884), (4, 4519942), (7, 2582824), (8, 2259971), (14, 1291412), (28, 645706), (56, 322853), (499, 36232), (647, 27944), (998, 18116), (1294, 13972), (1996, 9058), (2588, 6986), (3493, 5176), (3992, 4529)]