19643758

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3719}}^1$

素因数の和:3879

約数の個数: 16

約数和(自身を含む): 31248000

約数和(自身を除く): 11604242

約数列:

[1, 2, 19, 38, 139, 278, 2641, 3719, 5282, 7438, 70661, 141322, 516941, 1033882, 9821879, 19643758]

約数ペア:

[(1, 19643758), (2, 9821879), (19, 1033882), (38, 516941), (139, 141322), (278, 70661), (2641, 7438), (3719, 5282)]