19768185

素因数分解:

$3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1153}}^1$

素因数の和:1294

約数の個数: 32

約数和(自身を含む): 35450880

約数和(自身を除く): 15682695

約数列:

[1, 3, 5, 9, 15, 27, 45, 127, 135, 381, 635, 1143, 1153, 1905, 3429, 3459, 5715, 5765, 10377, 17145, 17295, 31131, 51885, 146431, 155655, 439293, 732155, 1317879, 2196465, 3953637, 6589395, 19768185]

約数ペア:

[(1, 19768185), (3, 6589395), (5, 3953637), (9, 2196465), (15, 1317879), (27, 732155), (45, 439293), (127, 155655), (135, 146431), (381, 51885), (635, 31131), (1143, 17295), (1153, 17145), (1905, 10377), (3429, 5765), (3459, 5715)]