20187799218

素因数分解:

$2^1\times 3^2\times {\mathrm{1121544401}}^1$

素因数の和:1121544409

約数の個数: 12

約数和(自身を含む): 43740231678

約数和(自身を除く): 23552432460

約数列:

[1, 2, 3, 6, 9, 18, 1121544401, 2243088802, 3364633203, 6729266406, 10093899609, 20187799218]

約数ペア:

[(1, 20187799218), (2, 10093899609), (3, 6729266406), (6, 3364633203), (9, 2243088802), (18, 1121544401)]