19997383882

素因数分解:

$2^1\times 7^1\times {\mathrm{21529}}^1\times {\mathrm{66347}}^1$

素因数の和:87885

約数の個数: 16

約数和(自身を含む): 34283338560

約数和(自身を除く): 14285954678

約数列:

[1, 2, 7, 14, 21529, 43058, 66347, 132694, 150703, 301406, 464429, 928858, 1428384563, 2856769126, 9998691941, 19997383882]

約数ペア:

[(1, 19997383882), (2, 9998691941), (7, 2856769126), (14, 1428384563), (21529, 928858), (43058, 464429), (66347, 301406), (132694, 150703)]