1938217390

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1394401}}^1$

素因数の和:1394547

約数の個数: 16

約数和(自身を含む): 3513893040

約数和(自身を除く): 1575675650

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 1394401, 2788802, 6972005, 13944010, 193821739, 387643478, 969108695, 1938217390]

約数ペア:

[(1, 1938217390), (2, 969108695), (5, 387643478), (10, 193821739), (139, 13944010), (278, 6972005), (695, 2788802), (1390, 1394401)]