19054540

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1459}}^1$

素因数の和:2121

約数の個数: 24

約数和(自身を含む): 40103280

約数和(自身を除く): 21048740

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 1459, 2612, 2918, 3265, 5836, 6530, 7295, 13060, 14590, 29180, 952727, 1905454, 3810908, 4763635, 9527270, 19054540]

約数ペア:

[(1, 19054540), (2, 9527270), (4, 4763635), (5, 3810908), (10, 1905454), (20, 952727), (653, 29180), (1306, 14590), (1459, 13060), (2612, 7295), (2918, 6530), (3265, 5836)]