2189891645

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{794879}}^1$

素因数の和:794932

約数の個数: 16

約数和(自身を含む): 2861568000

約数和(自身を除く): 671676355

約数列:

[1, 5, 19, 29, 95, 145, 551, 2755, 794879, 3974395, 15102701, 23051491, 75513505, 115257455, 437978329, 2189891645]

約数ペア:

[(1, 2189891645), (5, 437978329), (19, 115257455), (29, 75513505), (95, 23051491), (145, 15102701), (551, 3974395), (2755, 794879)]