18221312

素因数分解:

$2^8\times {\mathrm{109}}^1\times {\mathrm{653}}^1$

素因数の和:778

約数の個数: 36

約数和(自身を含む): 36761340

約数和(自身を除く): 18540028

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 256, 436, 653, 872, 1306, 1744, 2612, 3488, 5224, 6976, 10448, 13952, 20896, 27904, 41792, 71177, 83584, 142354, 167168, 284708, 569416, 1138832, 2277664, 4555328, 9110656, 18221312]

約数ペア:

[(1, 18221312), (2, 9110656), (4, 4555328), (8, 2277664), (16, 1138832), (32, 569416), (64, 284708), (109, 167168), (128, 142354), (218, 83584), (256, 71177), (436, 41792), (653, 27904), (872, 20896), (1306, 13952), (1744, 10448), (2612, 6976), (3488, 5224)]