18518517

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{14593}}^1$

素因数の和:14649

約数の個数: 16

約数和(自身を含む): 28020480

約数和(自身を除く): 9501963

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 14593, 43779, 131337, 394011, 685871, 2057613, 6172839, 18518517]

約数ペア:

[(1, 18518517), (3, 6172839), (9, 2057613), (27, 685871), (47, 394011), (141, 131337), (423, 43779), (1269, 14593)]