18440008

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{34403}}^1$

素因数の和:34476

約数の個数: 16

約数和(自身を含む): 35092080

約数和(自身を除く): 16652072

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 34403, 68806, 137612, 275224, 2305001, 4610002, 9220004, 18440008]

約数ペア:

[(1, 18440008), (2, 9220004), (4, 4610002), (8, 2305001), (67, 275224), (134, 137612), (268, 68806), (536, 34403)]