18684939

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{68443}}^1$

素因数の和:68466

約数の個数: 16

約数和(自身を含む): 30662912

約数和(自身を除く): 11977973

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 68443, 205329, 479101, 889759, 1437303, 2669277, 6228313, 18684939]

約数ペア:

[(1, 18684939), (3, 6228313), (7, 2669277), (13, 1437303), (21, 889759), (39, 479101), (91, 205329), (273, 68443)]