18706838

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1$

素因数の和:767

約数の個数: 16

約数和(自身を含む): 28546224

約数和(自身を除く): 9839386

約数列:

[1, 2, 97, 194, 211, 422, 457, 914, 20467, 40934, 44329, 88658, 96427, 192854, 9353419, 18706838]

約数ペア:

[(1, 18706838), (2, 9353419), (97, 192854), (194, 96427), (211, 88658), (422, 44329), (457, 40934), (914, 20467)]