18878216

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14657}}^1$

素因数の和:14693

約数の個数: 32

約数和(自身を含む): 42215040

約数和(自身を除く): 23336824

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 14657, 29314, 58628, 102599, 117256, 205198, 337111, 410396, 674222, 820792, 1348444, 2359777, 2696888, 4719554, 9439108, 18878216]

約数ペア:

[(1, 18878216), (2, 9439108), (4, 4719554), (7, 2696888), (8, 2359777), (14, 1348444), (23, 820792), (28, 674222), (46, 410396), (56, 337111), (92, 205198), (161, 117256), (184, 102599), (322, 58628), (644, 29314), (1288, 14657)]