19338543

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3449}}^1$

素因数の和:3551

約数の個数: 24

約数和(自身を含む): 32292000

約数和(自身を除く): 12953457

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 3449, 5607, 10347, 24143, 31041, 72429, 217287, 306961, 920883, 2148727, 2762649, 6446181, 19338543]

約数ペア:

[(1, 19338543), (3, 6446181), (7, 2762649), (9, 2148727), (21, 920883), (63, 306961), (89, 217287), (267, 72429), (623, 31041), (801, 24143), (1869, 10347), (3449, 5607)]