18357008

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67489}}^1$

素因数の和:67514

約数の個数: 20

約数和(自身を含む): 37659420

約数和(自身を除く): 19302412

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 67489, 134978, 269956, 539912, 1079824, 1147313, 2294626, 4589252, 9178504, 18357008]

約数ペア:

[(1, 18357008), (2, 9178504), (4, 4589252), (8, 2294626), (16, 1147313), (17, 1079824), (34, 539912), (68, 269956), (136, 134978), (272, 67489)]