2018714968

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{4861}}^1$

素因数の和:4988

約数の個数: 64

約数和(自身を含む): 4123753920

約数和(自身を除く): 2105038952

約数列:

[1, 2, 4, 8, 23, 37, 46, 61, 74, 92, 122, 148, 184, 244, 296, 488, 851, 1403, 1702, 2257, 2806, 3404, 4514, 4861, 5612, 6808, 9028, 9722, 11224, 18056, 19444, 38888, 51911, 103822, 111803, 179857, 207644, 223606, 296521, 359714, 415288, 447212, 593042, 719428, 894424, 1186084, 1438856, 2372168, 4136711, 6819983, 8273422, 10971277, 13639966, 16546844, 21942554, 27279932, 33093688, 43885108, 54559864, 87770216, 252339371, 504678742, 1009357484, 2018714968]

約数ペア:

[(1, 2018714968), (2, 1009357484), (4, 504678742), (8, 252339371), (23, 87770216), (37, 54559864), (46, 43885108), (61, 33093688), (74, 27279932), (92, 21942554), (122, 16546844), (148, 13639966), (184, 10971277), (244, 8273422), (296, 6819983), (488, 4136711), (851, 2372168), (1403, 1438856), (1702, 1186084), (2257, 894424), (2806, 719428), (3404, 593042), (4514, 447212), (4861, 415288), (5612, 359714), (6808, 296521), (9028, 223606), (9722, 207644), (11224, 179857), (18056, 111803), (19444, 103822), (38888, 51911)]