19220120

素因数分解:

$2^3\times 5^1\times {\mathrm{480503}}^1$

素因数の和:480514

約数の個数: 16

約数和(自身を含む): 43245360

約数和(自身を除く): 24025240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 480503, 961006, 1922012, 2402515, 3844024, 4805030, 9610060, 19220120]

約数ペア:

[(1, 19220120), (2, 9610060), (4, 4805030), (5, 3844024), (8, 2402515), (10, 1922012), (20, 961006), (40, 480503)]