2011986

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 4924800

約数和(自身を除く): 2912814

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 37, 38, 53, 54, 57, 74, 106, 111, 114, 159, 171, 222, 318, 333, 342, 477, 513, 666, 703, 954, 999, 1007, 1026, 1406, 1431, 1961, 1998, 2014, 2109, 2862, 3021, 3922, 4218, 5883, 6042, 6327, 9063, 11766, 12654, 17649, 18126, 18981, 27189, 35298, 37259, 37962, 52947, 54378, 74518, 105894, 111777, 223554, 335331, 670662, 1005993, 2011986]

約数ペア:

[(1, 2011986), (2, 1005993), (3, 670662), (6, 335331), (9, 223554), (18, 111777), (19, 105894), (27, 74518), (37, 54378), (38, 52947), (53, 37962), (54, 37259), (57, 35298), (74, 27189), (106, 18981), (111, 18126), (114, 17649), (159, 12654), (171, 11766), (222, 9063), (318, 6327), (333, 6042), (342, 5883), (477, 4218), (513, 3922), (666, 3021), (703, 2862), (954, 2109), (999, 2014), (1007, 1998), (1026, 1961), (1406, 1431)]