19876791

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{3221}}^1$

素因数の和:3263

約数の個数: 24

約数和(自身を含む): 30853872

約数和(自身を除く): 10977081

約数列:

[1, 3, 11, 17, 33, 51, 121, 187, 363, 561, 2057, 3221, 6171, 9663, 35431, 54757, 106293, 164271, 389741, 602327, 1169223, 1806981, 6625597, 19876791]

約数ペア:

[(1, 19876791), (3, 6625597), (11, 1806981), (17, 1169223), (33, 602327), (51, 389741), (121, 164271), (187, 106293), (363, 54757), (561, 35431), (2057, 9663), (3221, 6171)]