18772733

素因数分解:

$7^3\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:489

約数の個数: 16

約数和(自身を含む): 22080000

約数和(自身を除く): 3307267

約数列:

[1, 7, 49, 229, 239, 343, 1603, 1673, 11221, 11711, 54731, 78547, 81977, 383117, 2681819, 18772733]

約数ペア:

[(1, 18772733), (7, 2681819), (49, 383117), (229, 81977), (239, 78547), (343, 54731), (1603, 11711), (1673, 11221)]