18901984

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{14407}}^1$

素因数の和:14458

約数の個数: 24

約数和(自身を含む): 38123568

約数和(自身を除く): 19221584

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 14407, 28814, 57628, 115256, 230512, 461024, 590687, 1181374, 2362748, 4725496, 9450992, 18901984]

約数ペア:

[(1, 18901984), (2, 9450992), (4, 4725496), (8, 2362748), (16, 1181374), (32, 590687), (41, 461024), (82, 230512), (164, 115256), (328, 57628), (656, 28814), (1312, 14407)]