18925984

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7681}}^1$

素因数の和:7709

約数の個数: 48

約数和(自身を含む): 46460736

約数和(自身を除く): 27534752

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 7681, 15362, 30724, 53767, 61448, 84491, 107534, 122896, 168982, 215068, 245792, 337964, 430136, 591437, 675928, 860272, 1182874, 1351856, 1720544, 2365748, 2703712, 4731496, 9462992, 18925984]

約数ペア:

[(1, 18925984), (2, 9462992), (4, 4731496), (7, 2703712), (8, 2365748), (11, 1720544), (14, 1351856), (16, 1182874), (22, 860272), (28, 675928), (32, 591437), (44, 430136), (56, 337964), (77, 245792), (88, 215068), (112, 168982), (154, 122896), (176, 107534), (224, 84491), (308, 61448), (352, 53767), (616, 30724), (1232, 15362), (2464, 7681)]