18490645

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5059}}^1$

素因数の和:5124

約数の個数: 16

約数和(自身を含む): 24045120

約数和(自身を除く): 5554475

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5059, 25295, 86003, 217537, 430015, 1087685, 3698129, 18490645]

約数ペア:

[(1, 18490645), (5, 3698129), (17, 1087685), (43, 430015), (85, 217537), (215, 86003), (731, 25295), (3655, 5059)]