19778176

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{1277}}^1$

素因数の和:1313

約数の個数: 48

約数和(自身を含む): 43343370

約数和(自身を除く): 23565194

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 128, 176, 242, 352, 484, 704, 968, 1277, 1408, 1936, 2554, 3872, 5108, 7744, 10216, 14047, 15488, 20432, 28094, 40864, 56188, 81728, 112376, 154517, 163456, 224752, 309034, 449504, 618068, 899008, 1236136, 1798016, 2472272, 4944544, 9889088, 19778176]

約数ペア:

[(1, 19778176), (2, 9889088), (4, 4944544), (8, 2472272), (11, 1798016), (16, 1236136), (22, 899008), (32, 618068), (44, 449504), (64, 309034), (88, 224752), (121, 163456), (128, 154517), (176, 112376), (242, 81728), (352, 56188), (484, 40864), (704, 28094), (968, 20432), (1277, 15488), (1408, 14047), (1936, 10216), (2554, 7744), (3872, 5108)]