18695868

素因数分解:

$2^2\times 3^1\times {\mathrm{643}}^1\times {\mathrm{2423}}^1$

素因数の和:3073

約数の個数: 24

約数和(自身を含む): 43709568

約数和(自身を除く): 25013700

約数列:

[1, 2, 3, 4, 6, 12, 643, 1286, 1929, 2423, 2572, 3858, 4846, 7269, 7716, 9692, 14538, 29076, 1557989, 3115978, 4673967, 6231956, 9347934, 18695868]

約数ペア:

[(1, 18695868), (2, 9347934), (3, 6231956), (4, 4673967), (6, 3115978), (12, 1557989), (643, 29076), (1286, 14538), (1929, 9692), (2423, 7716), (2572, 7269), (3858, 4846)]