39489904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{129901}}^1$

素因数の和:129928

約数の個数: 20

約数和(自身を含む): 80539240

約数和(自身を除く): 41049336

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 129901, 259802, 519604, 1039208, 2078416, 2468119, 4936238, 9872476, 19744952, 39489904]

約数ペア:

[(1, 39489904), (2, 19744952), (4, 9872476), (8, 4936238), (16, 2468119), (19, 2078416), (38, 1039208), (76, 519604), (152, 259802), (304, 129901)]