19984833

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{67289}}^1$

素因数の和:67309

約数の個数: 16

約数和(自身を含む): 32299200

約数和(自身を除く): 12314367

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 67289, 201867, 605601, 740179, 1816803, 2220537, 6661611, 19984833]

約数ペア:

[(1, 19984833), (3, 6661611), (9, 2220537), (11, 1816803), (27, 740179), (33, 605601), (99, 201867), (297, 67289)]