19398663

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{4153}}^1$

素因数の和:4335

約数の個数: 16

約数和(自身を含む): 28911840

約数和(自身を除く): 9513177

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4153, 4671, 12459, 37377, 112131, 718469, 2155407, 6466221, 19398663]

約数ペア:

[(1, 19398663), (3, 6466221), (9, 2155407), (27, 718469), (173, 112131), (519, 37377), (1557, 12459), (4153, 4671)]