19254508

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{313}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 41849920

約数和(自身を除く): 22595412

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 313, 338, 364, 626, 676, 1183, 1252, 2191, 2197, 2366, 4069, 4382, 4394, 4732, 8138, 8764, 8788, 15379, 16276, 28483, 30758, 52897, 56966, 61516, 105794, 113932, 211588, 370279, 687661, 740558, 1375322, 1481116, 2750644, 4813627, 9627254, 19254508]

約数ペア:

[(1, 19254508), (2, 9627254), (4, 4813627), (7, 2750644), (13, 1481116), (14, 1375322), (26, 740558), (28, 687661), (52, 370279), (91, 211588), (169, 113932), (182, 105794), (313, 61516), (338, 56966), (364, 52897), (626, 30758), (676, 28483), (1183, 16276), (1252, 15379), (2191, 8788), (2197, 8764), (2366, 8138), (4069, 4732), (4382, 4394)]