18256203

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1601}}^1$

素因数の和:1795

約数の個数: 24

約数和(自身を含む): 30322656

約数和(自身を除く): 12066453

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1601, 1629, 3801, 4803, 11207, 11403, 14409, 33621, 100863, 289781, 869343, 2028467, 2608029, 6085401, 18256203]

約数ペア:

[(1, 18256203), (3, 6085401), (7, 2608029), (9, 2028467), (21, 869343), (63, 289781), (181, 100863), (543, 33621), (1267, 14409), (1601, 11403), (1629, 11207), (3801, 4803)]