18255315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{523}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 31691520

約数和(自身を除く): 13436205

約数列:

[1, 3, 5, 13, 15, 39, 65, 179, 195, 523, 537, 895, 1569, 2327, 2615, 2685, 6799, 6981, 7845, 11635, 20397, 33995, 34905, 93617, 101985, 280851, 468085, 1217021, 1404255, 3651063, 6085105, 18255315]

約数ペア:

[(1, 18255315), (3, 6085105), (5, 3651063), (13, 1404255), (15, 1217021), (39, 468085), (65, 280851), (179, 101985), (195, 93617), (523, 34905), (537, 33995), (895, 20397), (1569, 11635), (2327, 7845), (2615, 6981), (2685, 6799)]