18498368

素因数分解:

$2^6\times 7^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:439

約数の個数: 56

約数和(自身を含む): 42379392

約数和(自身を除く): 23881024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 157, 224, 263, 314, 448, 526, 628, 1052, 1099, 1256, 1841, 2104, 2198, 2512, 3682, 4208, 4396, 5024, 7364, 8416, 8792, 10048, 14728, 16832, 17584, 29456, 35168, 41291, 58912, 70336, 82582, 117824, 165164, 289037, 330328, 578074, 660656, 1156148, 1321312, 2312296, 2642624, 4624592, 9249184, 18498368]

約数ペア:

[(1, 18498368), (2, 9249184), (4, 4624592), (7, 2642624), (8, 2312296), (14, 1321312), (16, 1156148), (28, 660656), (32, 578074), (56, 330328), (64, 289037), (112, 165164), (157, 117824), (224, 82582), (263, 70336), (314, 58912), (448, 41291), (526, 35168), (628, 29456), (1052, 17584), (1099, 16832), (1256, 14728), (1841, 10048), (2104, 8792), (2198, 8416), (2512, 7364), (3682, 5024), (4208, 4396)]