18784528

素因数分解:

$2^4\times 7^1\times {\mathrm{367}}^1\times {\mathrm{457}}^1$

素因数の和:839

約数の個数: 40

約数和(自身を含む): 41798912

約数和(自身を除く): 23014384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 367, 457, 734, 914, 1468, 1828, 2569, 2936, 3199, 3656, 5138, 5872, 6398, 7312, 10276, 12796, 20552, 25592, 41104, 51184, 167719, 335438, 670876, 1174033, 1341752, 2348066, 2683504, 4696132, 9392264, 18784528]

約数ペア:

[(1, 18784528), (2, 9392264), (4, 4696132), (7, 2683504), (8, 2348066), (14, 1341752), (16, 1174033), (28, 670876), (56, 335438), (112, 167719), (367, 51184), (457, 41104), (734, 25592), (914, 20552), (1468, 12796), (1828, 10276), (2569, 7312), (2936, 6398), (3199, 5872), (3656, 5138)]