19290425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{911}}^1$

素因数の和:950

約数の個数: 36

約数和(自身を含む): 30081408

約数和(自身を除く): 10790983

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 175, 275, 385, 605, 847, 911, 1925, 3025, 4235, 4555, 6377, 10021, 21175, 22775, 31885, 50105, 70147, 110231, 159425, 250525, 350735, 551155, 771617, 1753675, 2755775, 3858085, 19290425]

約数ペア:

[(1, 19290425), (5, 3858085), (7, 2755775), (11, 1753675), (25, 771617), (35, 551155), (55, 350735), (77, 250525), (121, 159425), (175, 110231), (275, 70147), (385, 50105), (605, 31885), (847, 22775), (911, 21175), (1925, 10021), (3025, 6377), (4235, 4555)]