18555284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421711}}^1$

素因数の和:421726

約数の個数: 12

約数和(自身を含む): 35423808

約数和(自身を除く): 16868524

約数列:

[1, 2, 4, 11, 22, 44, 421711, 843422, 1686844, 4638821, 9277642, 18555284]

約数ペア:

[(1, 18555284), (2, 9277642), (4, 4638821), (11, 1686844), (22, 843422), (44, 421711)]