19657568

素因数分解:

$2^5\times 7^1\times {\mathrm{127}}^1\times {\mathrm{691}}^1$

素因数の和:835

約数の個数: 48

約数和(自身を含む): 44642304

約数和(自身を除く): 24984736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 127, 224, 254, 508, 691, 889, 1016, 1382, 1778, 2032, 2764, 3556, 4064, 4837, 5528, 7112, 9674, 11056, 14224, 19348, 22112, 28448, 38696, 77392, 87757, 154784, 175514, 351028, 614299, 702056, 1228598, 1404112, 2457196, 2808224, 4914392, 9828784, 19657568]

約数ペア:

[(1, 19657568), (2, 9828784), (4, 4914392), (7, 2808224), (8, 2457196), (14, 1404112), (16, 1228598), (28, 702056), (32, 614299), (56, 351028), (112, 175514), (127, 154784), (224, 87757), (254, 77392), (508, 38696), (691, 28448), (889, 22112), (1016, 19348), (1382, 14224), (1778, 11056), (2032, 9674), (2764, 7112), (3556, 5528), (4064, 4837)]