18784976

素因数分解:

$2^4\times 7^1\times {\mathrm{179}}^1\times {\mathrm{937}}^1$

素因数の和:1131

約数の個数: 40

約数和(自身を含む): 41872320

約数和(自身を除く): 23087344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 179, 358, 716, 937, 1253, 1432, 1874, 2506, 2864, 3748, 5012, 6559, 7496, 10024, 13118, 14992, 20048, 26236, 52472, 104944, 167723, 335446, 670892, 1174061, 1341784, 2348122, 2683568, 4696244, 9392488, 18784976]

約数ペア:

[(1, 18784976), (2, 9392488), (4, 4696244), (7, 2683568), (8, 2348122), (14, 1341784), (16, 1174061), (28, 670892), (56, 335446), (112, 167723), (179, 104944), (358, 52472), (716, 26236), (937, 20048), (1253, 14992), (1432, 13118), (1874, 10024), (2506, 7496), (2864, 6559), (3748, 5012)]