2019980459

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{30559}}^1$

素因数の和:30663

約数の個数: 24

約数和(自身を含む): 2508364800

約数和(自身を除く): 488384341

約数列:

[1, 7, 19, 49, 71, 133, 497, 931, 1349, 3479, 9443, 30559, 66101, 213913, 580621, 1497391, 2169689, 4064347, 15187823, 28450429, 41224091, 106314761, 288568637, 2019980459]

約数ペア:

[(1, 2019980459), (7, 288568637), (19, 106314761), (49, 41224091), (71, 28450429), (133, 15187823), (497, 4064347), (931, 2169689), (1349, 1497391), (3479, 580621), (9443, 213913), (30559, 66101)]