19553792

素因数分解:

$2^9\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:410

約数の個数: 40

約数和(自身を含む): 39471432

約数和(自身を除く): 19917640

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 181, 211, 256, 362, 422, 512, 724, 844, 1448, 1688, 2896, 3376, 5792, 6752, 11584, 13504, 23168, 27008, 38191, 46336, 54016, 76382, 92672, 108032, 152764, 305528, 611056, 1222112, 2444224, 4888448, 9776896, 19553792]

約数ペア:

[(1, 19553792), (2, 9776896), (4, 4888448), (8, 2444224), (16, 1222112), (32, 611056), (64, 305528), (128, 152764), (181, 108032), (211, 92672), (256, 76382), (362, 54016), (422, 46336), (512, 38191), (724, 27008), (844, 23168), (1448, 13504), (1688, 11584), (2896, 6752), (3376, 5792)]