1917996857

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{5903}}^1$

素因数の和:6285

約数の個数: 24

約数和(自身を含む): 2355696000

約数和(自身を除く): 437699143

約数列:

[1, 7, 19, 49, 133, 349, 931, 2443, 5903, 6631, 17101, 41321, 46417, 112157, 289247, 324919, 785099, 2060147, 5495693, 14421029, 39142793, 100947203, 273999551, 1917996857]

約数ペア:

[(1, 1917996857), (7, 273999551), (19, 100947203), (49, 39142793), (133, 14421029), (349, 5495693), (931, 2060147), (2443, 785099), (5903, 324919), (6631, 289247), (17101, 112157), (41321, 46417)]