18902655

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4159}}^1$

素因数の和:4271

約数の個数: 24

約数和(自身を含む): 33096960

約数和(自身を除く): 14194305

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 4159, 4545, 12477, 20795, 37431, 62385, 187155, 420059, 1260177, 2100295, 3780531, 6300885, 18902655]

約数ペア:

[(1, 18902655), (3, 6300885), (5, 3780531), (9, 2100295), (15, 1260177), (45, 420059), (101, 187155), (303, 62385), (505, 37431), (909, 20795), (1515, 12477), (4159, 4545)]