18979184

素因数分解:

$2^4\times 7^1\times {\mathrm{169457}}^1$

素因数の和:169472

約数の個数: 20

約数和(自身を含む): 42025584

約数和(自身を除く): 23046400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 169457, 338914, 677828, 1186199, 1355656, 2372398, 2711312, 4744796, 9489592, 18979184]

約数ペア:

[(1, 18979184), (2, 9489592), (4, 4744796), (7, 2711312), (8, 2372398), (14, 1355656), (16, 1186199), (28, 677828), (56, 338914), (112, 169457)]