19909169

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1399}}^1$

素因数の和:1532

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 4282831

約数列:

[1, 7, 19, 107, 133, 749, 1399, 2033, 9793, 14231, 26581, 149693, 186067, 1047851, 2844167, 19909169]

約数ペア:

[(1, 19909169), (7, 2844167), (19, 1047851), (107, 186067), (133, 149693), (749, 26581), (1399, 14231), (2033, 9793)]