12989008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{42727}}^1$

素因数の和:42754

約数の個数: 20

約数和(自身を含む): 26491360

約数和(自身を除く): 13502352

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 42727, 85454, 170908, 341816, 683632, 811813, 1623626, 3247252, 6494504, 12989008]

約数ペア:

[(1, 12989008), (2, 6494504), (4, 3247252), (8, 1623626), (16, 811813), (19, 683632), (38, 341816), (76, 170908), (152, 85454), (304, 42727)]