18293278

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{647}}^1$

素因数の和:927

約数の個数: 16

約数和(自身を含む): 28024704

約数和(自身を除く): 9731426

約数列:

[1, 2, 67, 134, 211, 422, 647, 1294, 14137, 28274, 43349, 86698, 136517, 273034, 9146639, 18293278]

約数ペア:

[(1, 18293278), (2, 9146639), (67, 273034), (134, 136517), (211, 86698), (422, 43349), (647, 28274), (1294, 14137)]