2019911289

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 3122848512

約数和(自身を除く): 1102937223

約数列:

[1, 3, 11, 33, 37, 41, 111, 123, 157, 257, 407, 451, 471, 771, 1221, 1353, 1517, 1727, 2827, 4551, 5181, 5809, 6437, 8481, 9509, 10537, 16687, 17427, 19311, 28527, 31611, 40349, 50061, 63899, 70807, 104599, 115907, 121047, 191697, 212421, 238169, 313797, 347721, 389869, 443839, 714507, 1169607, 1331517, 1492913, 1654309, 2619859, 4288559, 4478739, 4962927, 7859577, 12865677, 16422043, 18197399, 49266129, 54592197, 61209433, 183628299, 673303763, 2019911289]

約数ペア:

[(1, 2019911289), (3, 673303763), (11, 183628299), (33, 61209433), (37, 54592197), (41, 49266129), (111, 18197399), (123, 16422043), (157, 12865677), (257, 7859577), (407, 4962927), (451, 4478739), (471, 4288559), (771, 2619859), (1221, 1654309), (1353, 1492913), (1517, 1331517), (1727, 1169607), (2827, 714507), (4551, 443839), (5181, 389869), (5809, 347721), (6437, 313797), (8481, 238169), (9509, 212421), (10537, 191697), (16687, 121047), (17427, 115907), (19311, 104599), (28527, 70807), (31611, 63899), (40349, 50061)]