18900164

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 33929280

約数和(自身を除く): 15029116

約数列:

[1, 2, 4, 67, 109, 134, 218, 268, 436, 647, 1294, 2588, 7303, 14606, 29212, 43349, 70523, 86698, 141046, 173396, 282092, 4725041, 9450082, 18900164]

約数ペア:

[(1, 18900164), (2, 9450082), (4, 4725041), (67, 282092), (109, 173396), (134, 141046), (218, 86698), (268, 70523), (436, 43349), (647, 29212), (1294, 14606), (2588, 7303)]