2019963632

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1778137}}^1$

素因数の和:1778216

約数の個数: 20

約数和(自身を含む): 3968804016

約数和(自身を除く): 1948840384

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1778137, 3556274, 7112548, 14225096, 28450192, 126247727, 252495454, 504990908, 1009981816, 2019963632]

約数ペア:

[(1, 2019963632), (2, 1009981816), (4, 504990908), (8, 252495454), (16, 126247727), (71, 28450192), (142, 14225096), (284, 7112548), (568, 3556274), (1136, 1778137)]