18908055

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3067}}^1$

素因数の和:3215

約数の個数: 24

約数和(自身を含む): 33023952

約数和(自身を除く): 14115897

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 3067, 6165, 9201, 15335, 27603, 46005, 138015, 420179, 1260537, 2100895, 3781611, 6302685, 18908055]

約数ペア:

[(1, 18908055), (3, 6302685), (5, 3781611), (9, 2100895), (15, 1260537), (45, 420179), (137, 138015), (411, 46005), (685, 27603), (1233, 15335), (2055, 9201), (3067, 6165)]