19906838

素因数分解:

$2^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2861}}^1$

素因数の和:2948

約数の個数: 24

約数和(自身を含む): 35236944

約数和(自身を除く): 15330106

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 497, 994, 2861, 3479, 5722, 6958, 20027, 40054, 140189, 203131, 280378, 406262, 1421917, 2843834, 9953419, 19906838]

約数ペア:

[(1, 19906838), (2, 9953419), (7, 2843834), (14, 1421917), (49, 406262), (71, 280378), (98, 203131), (142, 140189), (497, 40054), (994, 20027), (2861, 6958), (3479, 5722)]