18183823

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2131}}^1$

素因数の和:2214

約数の個数: 16

約数和(自身を含む): 22104576

約数和(自身を除く): 3920753

約数列:

[1, 7, 23, 53, 161, 371, 1219, 2131, 8533, 14917, 49013, 112943, 343091, 790601, 2597689, 18183823]

約数ペア:

[(1, 18183823), (7, 2597689), (23, 790601), (53, 343091), (161, 112943), (371, 49013), (1219, 14917), (2131, 8533)]