2680642018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{70543211}}^1$

素因数の和:70543232

約数の個数: 8

約数和(自身を含む): 4232592720

約数和(自身を除く): 1551950702

約数列:

[1, 2, 19, 38, 70543211, 141086422, 1340321009, 2680642018]

約数ペア:

[(1, 2680642018), (2, 1340321009), (19, 141086422), (38, 70543211)]