20181885143

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{124171}}^1$

素因数の和:124323

約数の個数: 24

約数和(自身を含む): 24460890624

約数和(自身を除く): 4279005481

約数列:

[1, 7, 31, 49, 107, 217, 749, 1519, 3317, 5243, 23219, 124171, 162533, 869197, 3849301, 6084379, 13286297, 26945107, 93004079, 188615749, 411875207, 651028553, 2883126449, 20181885143]

約数ペア:

[(1, 20181885143), (7, 2883126449), (31, 651028553), (49, 411875207), (107, 188615749), (217, 93004079), (749, 26945107), (1519, 13286297), (3317, 6084379), (5243, 3849301), (23219, 869197), (124171, 162533)]