18274742

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9239}}^1$

素因数の和:9307

約数の個数: 16

約数和(自身を含む): 29272320

約数和(自身を除く): 10997578

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 9239, 18478, 212497, 397277, 424994, 794554, 9137371, 18274742]

約数ペア:

[(1, 18274742), (2, 9137371), (23, 794554), (43, 424994), (46, 397277), (86, 212497), (989, 18478), (1978, 9239)]