19989387

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10627}}^1$

素因数の和:10663

約数の個数: 24

約数和(自身を含む): 33159360

約数和(自身を除く): 13169973

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 10627, 31881, 95643, 116897, 201913, 350691, 605739, 1052073, 1817217, 2221043, 6663129, 19989387]

約数ペア:

[(1, 19989387), (3, 6663129), (9, 2221043), (11, 1817217), (19, 1052073), (33, 605739), (57, 350691), (99, 201913), (171, 116897), (209, 95643), (627, 31881), (1881, 10627)]