19796054

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{1277}}^1$

素因数の和:1639

約数の個数: 16

約数和(自身を含む): 31101408

約数和(自身を除く): 11305354

約数列:

[1, 2, 23, 46, 337, 674, 1277, 2554, 7751, 15502, 29371, 58742, 430349, 860698, 9898027, 19796054]

約数ペア:

[(1, 19796054), (2, 9898027), (23, 860698), (46, 430349), (337, 58742), (674, 29371), (1277, 15502), (2554, 7751)]