18761953

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{6277}}^1$

素因数の和:6352

約数の個数: 12

約数和(自身を含む): 22186452

約数和(自身を除く): 3424499

約数列:

[1, 7, 49, 61, 427, 2989, 6277, 43939, 307573, 382897, 2680279, 18761953]

約数ペア:

[(1, 18761953), (7, 2680279), (49, 382897), (61, 307573), (427, 43939), (2989, 6277)]