19729258

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2609}}^1$

素因数の和:2829

約数の個数: 16

約数和(自身を含む): 31320000

約数和(自身を除く): 11590742

約数列:

[1, 2, 19, 38, 199, 398, 2609, 3781, 5218, 7562, 49571, 99142, 519191, 1038382, 9864629, 19729258]

約数ペア:

[(1, 19729258), (2, 9864629), (19, 1038382), (38, 519191), (199, 99142), (398, 49571), (2609, 7562), (3781, 5218)]