18822808

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{138403}}^1$

素因数の和:138426

約数の個数: 16

約数和(自身を含む): 37369080

約数和(自身を除く): 18546272

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 138403, 276806, 553612, 1107224, 2352851, 4705702, 9411404, 18822808]

約数ペア:

[(1, 18822808), (2, 9411404), (4, 4705702), (8, 2352851), (17, 1107224), (34, 553612), (68, 276806), (136, 138403)]