18948249

素因数分解:

$3^4\times {\mathrm{449}}^1\times {\mathrm{521}}^1$

素因数の和:982

約数の個数: 20

約数和(自身を含む): 28422900

約数和(自身を除く): 9474651

約数列:

[1, 3, 9, 27, 81, 449, 521, 1347, 1563, 4041, 4689, 12123, 14067, 36369, 42201, 233929, 701787, 2105361, 6316083, 18948249]

約数ペア:

[(1, 18948249), (3, 6316083), (9, 2105361), (27, 701787), (81, 233929), (449, 42201), (521, 36369), (1347, 14067), (1563, 12123), (4041, 4689)]