18838448

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{69259}}^1$

素因数の和:69284

約数の個数: 20

約数和(自身を含む): 38647080

約数和(自身を除く): 19808632

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 69259, 138518, 277036, 554072, 1108144, 1177403, 2354806, 4709612, 9419224, 18838448]

約数ペア:

[(1, 18838448), (2, 9419224), (4, 4709612), (8, 2354806), (16, 1177403), (17, 1108144), (34, 554072), (68, 277036), (136, 138518), (272, 69259)]