18478755

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8737}}^1$

素因数の和:8795

約数の個数: 24

約数和(自身を含む): 32715072

約数和(自身を除く): 14236317

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 8737, 26211, 43685, 78633, 131055, 393165, 410639, 1231917, 2053195, 3695751, 6159585, 18478755]

約数ペア:

[(1, 18478755), (3, 6159585), (5, 3695751), (9, 2053195), (15, 1231917), (45, 410639), (47, 393165), (141, 131055), (235, 78633), (423, 43685), (705, 26211), (2115, 8737)]