18161881

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 19782144

約数和(自身を除く): 1620263

約数列:

[1, 23, 47, 53, 317, 1081, 1219, 2491, 7291, 14899, 16801, 57293, 342677, 386423, 789647, 18161881]

約数ペア:

[(1, 18161881), (23, 789647), (47, 386423), (53, 342677), (317, 57293), (1081, 16801), (1219, 14899), (2491, 7291)]