18488071978

素因数分解:

$2^1\times {\mathrm{1039}}^1\times {\mathrm{2089}}^1\times {\mathrm{4259}}^1$

素因数の和:7389

約数の個数: 16

約数和(自身を含む): 27778608000

約数和(自身を除く): 9290536022

約数列:

[1, 2, 1039, 2078, 2089, 4178, 4259, 8518, 2170471, 4340942, 4425101, 8850202, 8897051, 17794102, 9244035989, 18488071978]

約数ペア:

[(1, 18488071978), (2, 9244035989), (1039, 17794102), (2078, 8897051), (2089, 8850202), (4178, 4425101), (4259, 4340942), (8518, 2170471)]