18781664104

素因数分解:

$2^3\times 7^1\times {\mathrm{335386859}}^1$

素因数の和:335386872

約数の個数: 16

約数和(自身を含む): 40246423200

約数和(自身を除く): 21464759096

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 335386859, 670773718, 1341547436, 2347708013, 2683094872, 4695416026, 9390832052, 18781664104]

約数ペア:

[(1, 18781664104), (2, 9390832052), (4, 4695416026), (7, 2683094872), (8, 2347708013), (14, 1341547436), (28, 670773718), (56, 335386859)]