18946477

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{337}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 21902400

約数和(自身を除く): 2955923

約数列:

[1, 11, 19, 209, 269, 337, 2959, 3707, 5111, 6403, 56221, 70433, 90653, 997183, 1722407, 18946477]

約数ペア:

[(1, 18946477), (11, 1722407), (19, 997183), (209, 90653), (269, 70433), (337, 56221), (2959, 6403), (3707, 5111)]