12997444

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{9001}}^1$

素因数の和:9043

約数の個数: 18

約数和(自身を含む): 24008334

約数和(自身を除く): 11010890

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 9001, 18002, 36004, 171019, 342038, 684076, 3249361, 6498722, 12997444]

約数ペア:

[(1, 12997444), (2, 6498722), (4, 3249361), (19, 684076), (38, 342038), (76, 171019), (361, 36004), (722, 18002), (1444, 9001)]