19377554

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{10103}}^1$

素因数の和:10249

約数の個数: 16

約数和(自身を含む): 33464448

約数和(自身を除く): 14086894

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 10103, 20206, 70721, 141442, 1384111, 2768222, 9688777, 19377554]

約数ペア:

[(1, 19377554), (2, 9688777), (7, 2768222), (14, 1384111), (137, 141442), (274, 70721), (959, 20206), (1918, 10103)]