19663490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25537}}^1$

素因数の和:25562

約数の個数: 32

約数和(自身を含む): 44129664

約数和(自身を除く): 24466174

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 25537, 51074, 127685, 178759, 255370, 280907, 357518, 561814, 893795, 1404535, 1787590, 1966349, 2809070, 3932698, 9831745, 19663490]

約数ペア:

[(1, 19663490), (2, 9831745), (5, 3932698), (7, 2809070), (10, 1966349), (11, 1787590), (14, 1404535), (22, 893795), (35, 561814), (55, 357518), (70, 280907), (77, 255370), (110, 178759), (154, 127685), (385, 51074), (770, 25537)]