19198151

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1263

約数の個数: 24

約数和(自身を含む): 24911280

約数和(自身を除く): 5713129

約数列:

[1, 7, 17, 19, 49, 119, 133, 323, 833, 931, 1213, 2261, 8491, 15827, 20621, 23047, 59437, 144347, 161329, 391799, 1010429, 1129303, 2742593, 19198151]

約数ペア:

[(1, 19198151), (7, 2742593), (17, 1129303), (19, 1010429), (49, 391799), (119, 161329), (133, 144347), (323, 59437), (833, 23047), (931, 20621), (1213, 15827), (2261, 8491)]