18001435

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 22111200

約数和(自身を除く): 4109765

約数列:

[1, 5, 73, 149, 331, 365, 745, 1655, 10877, 24163, 49319, 54385, 120815, 246595, 3600287, 18001435]

約数ペア:

[(1, 18001435), (5, 3600287), (73, 246595), (149, 120815), (331, 54385), (365, 49319), (745, 24163), (1655, 10877)]