20181769072

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{3810757}}^1$

素因数の和:3811096

約数の個数: 20

約数和(自身を含む): 39220321336

約数和(自身を除く): 19038552264

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 3810757, 7621514, 15243028, 30486056, 60972112, 1261360567, 2522721134, 5045442268, 10090884536, 20181769072]

約数ペア:

[(1, 20181769072), (2, 10090884536), (4, 5045442268), (8, 2522721134), (16, 1261360567), (331, 60972112), (662, 30486056), (1324, 15243028), (2648, 7621514), (5296, 3810757)]