19508372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2699}}^1$

素因数の和:2855

約数の個数: 24

約数和(自身を含む): 37044000

約数和(自身を除く): 17535628

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 2699, 3614, 5398, 7228, 10796, 35087, 70174, 140348, 375161, 750322, 1500644, 4877093, 9754186, 19508372]

約数ペア:

[(1, 19508372), (2, 9754186), (4, 4877093), (13, 1500644), (26, 750322), (52, 375161), (139, 140348), (278, 70174), (556, 35087), (1807, 10796), (2699, 7228), (3614, 5398)]