19486225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1201}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 26828640

約数和(自身を除く): 7342415

約数列:

[1, 5, 11, 25, 55, 59, 275, 295, 649, 1201, 1475, 3245, 6005, 13211, 16225, 30025, 66055, 70859, 330275, 354295, 779449, 1771475, 3897245, 19486225]

約数ペア:

[(1, 19486225), (5, 3897245), (11, 1771475), (25, 779449), (55, 354295), (59, 330275), (275, 70859), (295, 66055), (649, 30025), (1201, 16225), (1475, 13211), (3245, 6005)]