19985148

素因数分解:

$2^2\times 3^2\times {\mathrm{555143}}^1$

素因数の和:555153

約数の個数: 18

約数和(自身を含む): 50518104

約数和(自身を除く): 30532956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 555143, 1110286, 1665429, 2220572, 3330858, 4996287, 6661716, 9992574, 19985148]

約数ペア:

[(1, 19985148), (2, 9992574), (3, 6661716), (4, 4996287), (6, 3330858), (9, 2220572), (12, 1665429), (18, 1110286), (36, 555143)]