18870297976

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{138752191}}^1$

素因数の和:138752214

約数の個数: 16

約数和(自身を含む): 37463091840

約数和(自身を除く): 18592793864

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 138752191, 277504382, 555008764, 1110017528, 2358787247, 4717574494, 9435148988, 18870297976]

約数ペア:

[(1, 18870297976), (2, 9435148988), (4, 4717574494), (8, 2358787247), (17, 1110017528), (34, 555008764), (68, 277504382), (136, 138752191)]