19709397

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1723}}^1$

素因数の和:1801

約数の個数: 24

約数和(自身を含む): 30121728

約数和(自身を除く): 10412331

約数列:

[1, 3, 9, 31, 41, 93, 123, 279, 369, 1271, 1723, 3813, 5169, 11439, 15507, 53413, 70643, 160239, 211929, 480717, 635787, 2189933, 6569799, 19709397]

約数ペア:

[(1, 19709397), (3, 6569799), (9, 2189933), (31, 635787), (41, 480717), (93, 211929), (123, 160239), (279, 70643), (369, 53413), (1271, 15507), (1723, 11439), (3813, 5169)]