19825455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5351}}^1$

素因数の和:5391

約数の個数: 32

約数和(自身を含む): 35965440

約数和(自身を除く): 16139985

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 5351, 16053, 26755, 69563, 80265, 101669, 208689, 305007, 347815, 508345, 1043445, 1321697, 1525035, 3965091, 6608485, 19825455]

約数ペア:

[(1, 19825455), (3, 6608485), (5, 3965091), (13, 1525035), (15, 1321697), (19, 1043445), (39, 508345), (57, 347815), (65, 305007), (95, 208689), (195, 101669), (247, 80265), (285, 69563), (741, 26755), (1235, 16053), (3705, 5351)]