2019895372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{1171}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 3898540800

約数和(自身を除く): 1878645428

約数列:

[1, 2, 4, 11, 22, 44, 197, 199, 394, 398, 788, 796, 1171, 2167, 2189, 2342, 4334, 4378, 4684, 8668, 8756, 12881, 25762, 39203, 51524, 78406, 156812, 230687, 233029, 431233, 461374, 466058, 862466, 922748, 932116, 1724932, 2537557, 2563319, 5075114, 5126638, 10150228, 10253276, 45906713, 91813426, 183626852, 504973843, 1009947686, 2019895372]

約数ペア:

[(1, 2019895372), (2, 1009947686), (4, 504973843), (11, 183626852), (22, 91813426), (44, 45906713), (197, 10253276), (199, 10150228), (394, 5126638), (398, 5075114), (788, 2563319), (796, 2537557), (1171, 1724932), (2167, 932116), (2189, 922748), (2342, 862466), (4334, 466058), (4378, 461374), (4684, 431233), (8668, 233029), (8756, 230687), (12881, 156812), (25762, 78406), (39203, 51524)]