18502939

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:995

約数の個数: 24

約数和(自身を含む): 23952768

約数和(自身を除く): 5449829

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 637, 937, 1519, 2821, 6559, 12181, 19747, 29047, 45913, 85267, 203329, 377611, 596869, 1423303, 2643277, 18502939]

約数ペア:

[(1, 18502939), (7, 2643277), (13, 1423303), (31, 596869), (49, 377611), (91, 203329), (217, 85267), (403, 45913), (637, 29047), (937, 19747), (1519, 12181), (2821, 6559)]