18744489

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1213}}^1$

素因数の和:1337

約数の個数: 24

約数和(自身を含む): 28975752

約数和(自身を除く): 10231263

約数列:

[1, 3, 9, 17, 51, 101, 153, 303, 909, 1213, 1717, 3639, 5151, 10917, 15453, 20621, 61863, 122513, 185589, 367539, 1102617, 2082721, 6248163, 18744489]

約数ペア:

[(1, 18744489), (3, 6248163), (9, 2082721), (17, 1102617), (51, 367539), (101, 185589), (153, 122513), (303, 61863), (909, 20621), (1213, 15453), (1717, 10917), (3639, 5151)]