18468381

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:620

約数の個数: 16

約数和(自身を含む): 25072704

約数和(自身を除く): 6604323

約数列:

[1, 3, 113, 157, 339, 347, 471, 1041, 17741, 39211, 53223, 54479, 117633, 163437, 6156127, 18468381]

約数ペア:

[(1, 18468381), (3, 6156127), (113, 163437), (157, 117633), (339, 54479), (347, 53223), (471, 39211), (1041, 17741)]