18866661658

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{70117}}^1$

素因数の和:70342

約数の個数: 32

約数和(自身を含む): 31098735360

約数和(自身を除く): 12232073702

約数列:

[1, 2, 13, 26, 79, 131, 158, 262, 1027, 1703, 2054, 3406, 10349, 20698, 70117, 134537, 140234, 269074, 911521, 1823042, 5539243, 9185327, 11078486, 18370654, 72010159, 119409251, 144020318, 238818502, 725640833, 1451281666, 9433330829, 18866661658]

約数ペア:

[(1, 18866661658), (2, 9433330829), (13, 1451281666), (26, 725640833), (79, 238818502), (131, 144020318), (158, 119409251), (262, 72010159), (1027, 18370654), (1703, 11078486), (2054, 9185327), (3406, 5539243), (10349, 1823042), (20698, 911521), (70117, 269074), (134537, 140234)]