19056009

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 11356791

約数列:

[1, 3, 7, 21, 43, 47, 129, 141, 301, 329, 449, 903, 987, 1347, 2021, 3143, 6063, 9429, 14147, 19307, 21103, 42441, 57921, 63309, 135149, 147721, 405447, 443163, 907429, 2722287, 6352003, 19056009]

約数ペア:

[(1, 19056009), (3, 6352003), (7, 2722287), (21, 907429), (43, 443163), (47, 405447), (129, 147721), (141, 135149), (301, 63309), (329, 57921), (449, 42441), (903, 21103), (987, 19307), (1347, 14147), (2021, 9429), (3143, 6063)]