19791044

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{54371}}^1$

素因数の和:54395

約数の個数: 24

約数和(自身を含む): 42627648

約数和(自身を除く): 22836604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 54371, 108742, 217484, 380597, 706823, 761194, 1413646, 1522388, 2827292, 4947761, 9895522, 19791044]

約数ペア:

[(1, 19791044), (2, 9895522), (4, 4947761), (7, 2827292), (13, 1522388), (14, 1413646), (26, 761194), (28, 706823), (52, 380597), (91, 217484), (182, 108742), (364, 54371)]