18731746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19801}}^1$

素因数の和:19857

約数の個数: 16

約数和(自身を含む): 31366368

約数和(自身を除く): 12634622

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 19801, 39602, 217811, 435622, 851443, 1702886, 9365873, 18731746]

約数ペア:

[(1, 18731746), (2, 9365873), (11, 1702886), (22, 851443), (43, 435622), (86, 217811), (473, 39602), (946, 19801)]