19491741

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 32348160

約数和(自身を除く): 12856419

約数列:

[1, 3, 9, 17, 23, 29, 51, 69, 87, 153, 191, 207, 261, 391, 493, 573, 667, 1173, 1479, 1719, 2001, 3247, 3519, 4393, 4437, 5539, 6003, 9741, 11339, 13179, 16617, 29223, 34017, 39537, 49851, 74681, 94163, 102051, 127397, 224043, 282489, 382191, 672129, 847467, 1146573, 2165749, 6497247, 19491741]

約数ペア:

[(1, 19491741), (3, 6497247), (9, 2165749), (17, 1146573), (23, 847467), (29, 672129), (51, 382191), (69, 282489), (87, 224043), (153, 127397), (191, 102051), (207, 94163), (261, 74681), (391, 49851), (493, 39537), (573, 34017), (667, 29223), (1173, 16617), (1479, 13179), (1719, 11339), (2001, 9741), (3247, 6003), (3519, 5539), (4393, 4437)]