19047021

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53353}}^1$

素因数の和:53380

約数の個数: 16

約数和(自身を含む): 30731904

約数和(自身を除く): 11684883

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 53353, 160059, 373471, 907001, 1120413, 2721003, 6349007, 19047021]

約数ペア:

[(1, 19047021), (3, 6349007), (7, 2721003), (17, 1120413), (21, 907001), (51, 373471), (119, 160059), (357, 53353)]