19003780

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1307}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 39993408

約数和(自身を除く): 20989628

約数列:

[1, 2, 4, 5, 10, 20, 727, 1307, 1454, 2614, 2908, 3635, 5228, 6535, 7270, 13070, 14540, 26140, 950189, 1900378, 3800756, 4750945, 9501890, 19003780]

約数ペア:

[(1, 19003780), (2, 9501890), (4, 4750945), (5, 3800756), (10, 1900378), (20, 950189), (727, 26140), (1307, 14540), (1454, 13070), (2614, 7270), (2908, 6535), (3635, 5228)]