18245708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5237}}^1$

素因数の和:5321

約数の個数: 24

約数和(自身を含む): 34906032

約数和(自身を除く): 16660324

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 5237, 10474, 20948, 68081, 136162, 272324, 350879, 701758, 1403516, 4561427, 9122854, 18245708]

約数ペア:

[(1, 18245708), (2, 9122854), (4, 4561427), (13, 1403516), (26, 701758), (52, 350879), (67, 272324), (134, 136162), (268, 68081), (871, 20948), (1742, 10474), (3484, 5237)]