18135439

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{1429}}^1$

素因数の和:1487

約数の個数: 16

約数和(自身を含む): 21736000

約数和(自身を除く): 3600561

約数列:

[1, 7, 37, 49, 259, 343, 1429, 1813, 10003, 12691, 52873, 70021, 370111, 490147, 2590777, 18135439]

約数ペア:

[(1, 18135439), (7, 2590777), (37, 490147), (49, 370111), (259, 70021), (343, 52873), (1429, 12691), (1813, 10003)]