19128207

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6553}}^1$

素因数の和:6702

約数の個数: 16

約数和(自身を含む): 29361920

約数和(自身を除く): 10233713

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6553, 19659, 45871, 137613, 910867, 2732601, 6376069, 19128207]

約数ペア:

[(1, 19128207), (3, 6376069), (7, 2732601), (21, 910867), (139, 137613), (417, 45871), (973, 19659), (2919, 6553)]