2018728972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{10639}}^1$

素因数の和:10786

約数の個数: 48

約数和(自身を含む): 3941481600

約数和(自身を除く): 1922752628

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 89, 164, 178, 356, 533, 1066, 1157, 2132, 2314, 3649, 4628, 7298, 10639, 14596, 21278, 42556, 47437, 94874, 138307, 189748, 276614, 436199, 553228, 872398, 946871, 1744796, 1893742, 3787484, 5670587, 11341174, 12309323, 22682348, 24618646, 38821711, 49237292, 77643422, 155286844, 504682243, 1009364486, 2018728972]

約数ペア:

[(1, 2018728972), (2, 1009364486), (4, 504682243), (13, 155286844), (26, 77643422), (41, 49237292), (52, 38821711), (82, 24618646), (89, 22682348), (164, 12309323), (178, 11341174), (356, 5670587), (533, 3787484), (1066, 1893742), (1157, 1744796), (2132, 946871), (2314, 872398), (3649, 553228), (4628, 436199), (7298, 276614), (10639, 189748), (14596, 138307), (21278, 94874), (42556, 47437)]