6889780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18131}}^1$

素因数の和:18159

約数の個数: 24

約数和(自身を含む): 15230880

約数和(自身を除く): 8341100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 18131, 36262, 72524, 90655, 181310, 344489, 362620, 688978, 1377956, 1722445, 3444890, 6889780]

約数ペア:

[(1, 6889780), (2, 3444890), (4, 1722445), (5, 1377956), (10, 688978), (19, 362620), (20, 344489), (38, 181310), (76, 90655), (95, 72524), (190, 36262), (380, 18131)]