18164510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19961}}^1$

素因数の和:19988

約数の個数: 32

約数和(自身を含む): 40243392

約数和(自身を除く): 22078882

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 19961, 39922, 99805, 139727, 199610, 259493, 279454, 518986, 698635, 1297465, 1397270, 1816451, 2594930, 3632902, 9082255, 18164510]

約数ペア:

[(1, 18164510), (2, 9082255), (5, 3632902), (7, 2594930), (10, 1816451), (13, 1397270), (14, 1297465), (26, 698635), (35, 518986), (65, 279454), (70, 259493), (91, 199610), (130, 139727), (182, 99805), (455, 39922), (910, 19961)]