19089763

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 24525504

約数和(自身を除く): 5435741

約数列:

[1, 7, 11, 49, 77, 107, 331, 539, 749, 1177, 2317, 3641, 5243, 8239, 16219, 25487, 35417, 57673, 178409, 247919, 389587, 1735433, 2727109, 19089763]

約数ペア:

[(1, 19089763), (7, 2727109), (11, 1735433), (49, 389587), (77, 247919), (107, 178409), (331, 57673), (539, 35417), (749, 25487), (1177, 16219), (2317, 8239), (3641, 5243)]