18865168

素因数分解:

$2^4\times 7^1\times {\mathrm{179}}^1\times {\mathrm{941}}^1$

素因数の和:1135

約数の個数: 40

約数和(自身を含む): 42050880

約数和(自身を除く): 23185712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 179, 358, 716, 941, 1253, 1432, 1882, 2506, 2864, 3764, 5012, 6587, 7528, 10024, 13174, 15056, 20048, 26348, 52696, 105392, 168439, 336878, 673756, 1179073, 1347512, 2358146, 2695024, 4716292, 9432584, 18865168]

約数ペア:

[(1, 18865168), (2, 9432584), (4, 4716292), (7, 2695024), (8, 2358146), (14, 1347512), (16, 1179073), (28, 673756), (56, 336878), (112, 168439), (179, 105392), (358, 52696), (716, 26348), (941, 20048), (1253, 15056), (1432, 13174), (1882, 10024), (2506, 7528), (2864, 6587), (3764, 5012)]