199933390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1052281}}^1$

素因数の和:1052307

約数の個数: 16

約数和(自身を含む): 378821520

約数和(自身を除く): 178888130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1052281, 2104562, 5261405, 10522810, 19993339, 39986678, 99966695, 199933390]

約数ペア:

[(1, 199933390), (2, 99966695), (5, 39986678), (10, 19993339), (19, 10522810), (38, 5261405), (95, 2104562), (190, 1052281)]