2154790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1068

約数の個数: 32

約数和(自身を含む): 4458240

約数和(自身を除く): 2303450

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1031, 1045, 2062, 2090, 5155, 10310, 11341, 19589, 22682, 39178, 56705, 97945, 113410, 195890, 215479, 430958, 1077395, 2154790]

約数ペア:

[(1, 2154790), (2, 1077395), (5, 430958), (10, 215479), (11, 195890), (19, 113410), (22, 97945), (38, 56705), (55, 39178), (95, 22682), (110, 19589), (190, 11341), (209, 10310), (418, 5155), (1031, 2090), (1045, 2062)]