18181930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139861}}^1$

素因数の和:139881

約数の個数: 16

約数和(自身を含む): 35245224

約数和(自身を除く): 17063294

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139861, 279722, 699305, 1398610, 1818193, 3636386, 9090965, 18181930]

約数ペア:

[(1, 18181930), (2, 9090965), (5, 3636386), (10, 1818193), (13, 1398610), (26, 699305), (65, 279722), (130, 139861)]