18797037

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1801}}^1$

素因数の和:1889

約数の個数: 24

約数和(自身を含む): 29581632

約数和(自身を除く): 10784595

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 1801, 3479, 5403, 10437, 12607, 37821, 88249, 127871, 264747, 383613, 895097, 2685291, 6265679, 18797037]

約数ペア:

[(1, 18797037), (3, 6265679), (7, 2685291), (21, 895097), (49, 383613), (71, 264747), (147, 127871), (213, 88249), (497, 37821), (1491, 12607), (1801, 10437), (3479, 5403)]