19666834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{28837}}^1$

素因数の和:28881

約数の個数: 16

約数和(自身を含む): 33221376

約数和(自身を除く): 13554542

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 28837, 57674, 317207, 634414, 893947, 1787894, 9833417, 19666834]

約数ペア:

[(1, 19666834), (2, 9833417), (11, 1787894), (22, 893947), (31, 634414), (62, 317207), (341, 57674), (682, 28837)]