19335057

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1277}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 30303936

約数和(自身を除く): 10968879

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 1277, 2163, 3831, 5047, 8939, 15141, 26817, 62573, 131531, 187719, 394593, 920717, 2762151, 6445019, 19335057]

約数ペア:

[(1, 19335057), (3, 6445019), (7, 2762151), (21, 920717), (49, 394593), (103, 187719), (147, 131531), (309, 62573), (721, 26817), (1277, 15141), (2163, 8939), (3831, 5047)]