18912345

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{12241}}^1$

素因数の和:12352

約数の個数: 16

約数和(自身を含む): 30556032

約数和(自身を除く): 11643687

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 12241, 36723, 61205, 183615, 1260823, 3782469, 6304115, 18912345]

約数ペア:

[(1, 18912345), (3, 6304115), (5, 3782469), (15, 1260823), (103, 183615), (309, 61205), (515, 36723), (1545, 12241)]