19915124

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 35481600

約数和(自身を除く): 15566476

約数列:

[1, 2, 4, 127, 197, 199, 254, 394, 398, 508, 788, 796, 25019, 25273, 39203, 50038, 50546, 78406, 100076, 101092, 156812, 4978781, 9957562, 19915124]

約数ペア:

[(1, 19915124), (2, 9957562), (4, 4978781), (127, 156812), (197, 101092), (199, 100076), (254, 78406), (394, 50546), (398, 50038), (508, 39203), (788, 25273), (796, 25019)]