20180936209

素因数分解:

$7^2\times {\mathrm{367}}^1\times {\mathrm{733}}^1\times {\mathrm{1531}}^1$

素因数の和:2645

約数の個数: 24

約数和(自身を含む): 23587260288

約数和(自身を除く): 3406324079

約数列:

[1, 7, 49, 367, 733, 1531, 2569, 5131, 10717, 17983, 35917, 75019, 269011, 561877, 1122223, 1883077, 3933139, 7855561, 13181539, 27531973, 54988927, 411855841, 2882990887, 20180936209]

約数ペア:

[(1, 20180936209), (7, 2882990887), (49, 411855841), (367, 54988927), (733, 27531973), (1531, 13181539), (2569, 7855561), (5131, 3933139), (10717, 1883077), (17983, 1122223), (35917, 561877), (75019, 269011)]