18918185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{26459}}^1$

素因数の和:26488

約数の個数: 16

約数和(自身を含む): 26671680

約数和(自身を除く): 7753495

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 26459, 132295, 291049, 343967, 1455245, 1719835, 3783637, 18918185]

約数ペア:

[(1, 18918185), (5, 3783637), (11, 1719835), (13, 1455245), (55, 343967), (65, 291049), (143, 132295), (715, 26459)]