19843874

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{509}}^1$

素因数の和:805

約数の個数: 16

約数和(自身を含む): 30275640

約数和(自身を除く): 10431766

約数列:

[1, 2, 101, 193, 202, 386, 509, 1018, 19493, 38986, 51409, 98237, 102818, 196474, 9921937, 19843874]

約数ペア:

[(1, 19843874), (2, 9921937), (101, 196474), (193, 102818), (202, 98237), (386, 51409), (509, 38986), (1018, 19493)]