19878054

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{473287}}^1$

素因数の和:473299

約数の個数: 16

約数和(自身を含む): 45435648

約数和(自身を除く): 25557594

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 473287, 946574, 1419861, 2839722, 3313009, 6626018, 9939027, 19878054]

約数ペア:

[(1, 19878054), (2, 9939027), (3, 6626018), (6, 3313009), (7, 2839722), (14, 1419861), (21, 946574), (42, 473287)]