19088888

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2017}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 44315280

約数和(自身を除く): 25226392

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 169, 182, 338, 364, 676, 728, 1183, 1352, 2017, 2366, 4034, 4732, 8068, 9464, 14119, 16136, 26221, 28238, 52442, 56476, 104884, 112952, 183547, 209768, 340873, 367094, 681746, 734188, 1363492, 1468376, 2386111, 2726984, 4772222, 9544444, 19088888]

約数ペア:

[(1, 19088888), (2, 9544444), (4, 4772222), (7, 2726984), (8, 2386111), (13, 1468376), (14, 1363492), (26, 734188), (28, 681746), (52, 367094), (56, 340873), (91, 209768), (104, 183547), (169, 112952), (182, 104884), (338, 56476), (364, 52442), (676, 28238), (728, 26221), (1183, 16136), (1352, 14119), (2017, 9464), (2366, 8068), (4034, 4732)]