18109708

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 32648000

約数和(自身を除く): 14538292

約数列:

[1, 2, 4, 43, 86, 172, 211, 422, 499, 844, 998, 1996, 9073, 18146, 21457, 36292, 42914, 85828, 105289, 210578, 421156, 4527427, 9054854, 18109708]

約数ペア:

[(1, 18109708), (2, 9054854), (4, 4527427), (43, 421156), (86, 210578), (172, 105289), (211, 85828), (422, 42914), (499, 36292), (844, 21457), (998, 18146), (1996, 9073)]