18553339

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1163}}^1$

素因数の和:1266

約数の個数: 16

約数和(自身を含む): 22125312

約数和(自身を除く): 3571973

約数列:

[1, 7, 43, 53, 301, 371, 1163, 2279, 8141, 15953, 50009, 61639, 350063, 431473, 2650477, 18553339]

約数ペア:

[(1, 18553339), (7, 2650477), (43, 431473), (53, 350063), (301, 61639), (371, 50009), (1163, 15953), (2279, 8141)]