18670141

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{613}}^1$

素因数の和:868

約数の個数: 16

約数和(自身を含む): 22595200

約数和(自身を除く): 3925059

約数列:

[1, 7, 19, 133, 229, 613, 1603, 4291, 4351, 11647, 30457, 81529, 140377, 982639, 2667163, 18670141]

約数ペア:

[(1, 18670141), (7, 2667163), (19, 982639), (133, 140377), (229, 81529), (613, 30457), (1603, 11647), (4291, 4351)]