18660816

素因数分解:

$2^4\times 3^2\times {\mathrm{129589}}^1$

素因数の和:129603

約数の個数: 30

約数和(自身を含む): 52224770

約数和(自身を除く): 33563954

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 129589, 259178, 388767, 518356, 777534, 1036712, 1166301, 1555068, 2073424, 2332602, 3110136, 4665204, 6220272, 9330408, 18660816]

約数ペア:

[(1, 18660816), (2, 9330408), (3, 6220272), (4, 4665204), (6, 3110136), (8, 2332602), (9, 2073424), (12, 1555068), (16, 1166301), (18, 1036712), (24, 777534), (36, 518356), (48, 388767), (72, 259178), (144, 129589)]