18563919

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{11969}}^1$

素因数の和:12030

約数の個数: 16

約数和(自身を含む): 27578880

約数和(自身を除く): 9014961

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 11969, 35907, 131659, 394977, 562543, 1687629, 6187973, 18563919]

約数ペア:

[(1, 18563919), (3, 6187973), (11, 1687629), (33, 562543), (47, 394977), (141, 131659), (517, 35907), (1551, 11969)]