18780318

素因数分解:

$2^1\times 3^2\times {\mathrm{1043351}}^1$

素因数の和:1043359

約数の個数: 12

約数和(自身を含む): 40690728

約数和(自身を除く): 21910410

約数列:

[1, 2, 3, 6, 9, 18, 1043351, 2086702, 3130053, 6260106, 9390159, 18780318]

約数ペア:

[(1, 18780318), (2, 9390159), (3, 6260106), (6, 3130053), (9, 2086702), (18, 1043351)]