19797605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2617}}^1$

素因数の和:2728

約数の個数: 16

約数和(自身を含む): 25446960

約数和(自身を除く): 5649355

約数列:

[1, 5, 17, 85, 89, 445, 1513, 2617, 7565, 13085, 44489, 222445, 232913, 1164565, 3959521, 19797605]

約数ペア:

[(1, 19797605), (5, 3959521), (17, 1164565), (85, 232913), (89, 222445), (445, 44489), (1513, 13085), (2617, 7565)]