2011980019

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{109579}}^1$

素因数の和:109690

約数の個数: 16

約数和(自身を含む): 2391473920

約数和(自身を除く): 379493901

約数列:

[1, 7, 43, 61, 301, 427, 2623, 18361, 109579, 767053, 4711897, 6684319, 32983279, 46790233, 287425717, 2011980019]

約数ペア:

[(1, 2011980019), (7, 287425717), (43, 46790233), (61, 32983279), (301, 6684319), (427, 4711897), (2623, 767053), (18361, 109579)]