18856089

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1307}}^1$

素因数の和:1549

約数の個数: 24

約数和(自身を含む): 31287360

約数和(自身を除く): 12431271

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1307, 1603, 2061, 3921, 4809, 9149, 11763, 14427, 27447, 82341, 299303, 897909, 2095121, 2693727, 6285363, 18856089]

約数ペア:

[(1, 18856089), (3, 6285363), (7, 2693727), (9, 2095121), (21, 897909), (63, 299303), (229, 82341), (687, 27447), (1307, 14427), (1603, 11763), (2061, 9149), (3921, 4809)]