19764836

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7757}}^1$

素因数の和:7788

約数の個数: 36

約数和(自身を含む): 43336188

約数和(自身を除く): 23571352

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 7757, 15514, 31028, 54299, 100841, 108598, 201682, 217196, 380093, 403364, 705887, 760186, 1411774, 1520372, 2823548, 4941209, 9882418, 19764836]

約数ペア:

[(1, 19764836), (2, 9882418), (4, 4941209), (7, 2823548), (13, 1520372), (14, 1411774), (26, 760186), (28, 705887), (49, 403364), (52, 380093), (91, 217196), (98, 201682), (182, 108598), (196, 100841), (364, 54299), (637, 31028), (1274, 15514), (2548, 7757)]