2557818

素因数分解:

$2^1\times 3^5\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 6071520

約数和(自身を除く): 3513702

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 243, 277, 342, 486, 513, 554, 831, 1026, 1539, 1662, 2493, 3078, 4617, 4986, 5263, 7479, 9234, 10526, 14958, 15789, 22437, 31578, 44874, 47367, 67311, 94734, 134622, 142101, 284202, 426303, 852606, 1278909, 2557818]

約数ペア:

[(1, 2557818), (2, 1278909), (3, 852606), (6, 426303), (9, 284202), (18, 142101), (19, 134622), (27, 94734), (38, 67311), (54, 47367), (57, 44874), (81, 31578), (114, 22437), (162, 15789), (171, 14958), (243, 10526), (277, 9234), (342, 7479), (486, 5263), (513, 4986), (554, 4617), (831, 3078), (1026, 2493), (1539, 1662)]