18667881

素因数分解:

$3^3\times {\mathrm{23}}^2\times {\mathrm{1307}}^1$

素因数の和:1362

約数の個数: 24

約数和(自身を含む): 28932960

約数和(自身を除く): 10265079

約数列:

[1, 3, 9, 23, 27, 69, 207, 529, 621, 1307, 1587, 3921, 4761, 11763, 14283, 30061, 35289, 90183, 270549, 691403, 811647, 2074209, 6222627, 18667881]

約数ペア:

[(1, 18667881), (3, 6222627), (9, 2074209), (23, 811647), (27, 691403), (69, 270549), (207, 90183), (529, 35289), (621, 30061), (1307, 14283), (1587, 11763), (3921, 4761)]