19680752

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1931}}^1$

素因数の和:1966

約数の個数: 60

約数和(自身を含む): 47793816

約数和(自身を除く): 28113064

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 1931, 2548, 3862, 5096, 7724, 10192, 13517, 15448, 25103, 27034, 30896, 50206, 54068, 94619, 100412, 108136, 175721, 189238, 200824, 216272, 351442, 378476, 401648, 702884, 756952, 1230047, 1405768, 1513904, 2460094, 2811536, 4920188, 9840376, 19680752]

約数ペア:

[(1, 19680752), (2, 9840376), (4, 4920188), (7, 2811536), (8, 2460094), (13, 1513904), (14, 1405768), (16, 1230047), (26, 756952), (28, 702884), (49, 401648), (52, 378476), (56, 351442), (91, 216272), (98, 200824), (104, 189238), (112, 175721), (182, 108136), (196, 100412), (208, 94619), (364, 54068), (392, 50206), (637, 30896), (728, 27034), (784, 25103), (1274, 15448), (1456, 13517), (1931, 10192), (2548, 7724), (3862, 5096)]