19197955

素因数分解:

$5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{617}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 27053568

約数和(自身を除く): 7855613

約数列:

[1, 5, 7, 35, 49, 127, 245, 617, 635, 889, 3085, 4319, 4445, 6223, 21595, 30233, 31115, 78359, 151165, 391795, 548513, 2742565, 3839591, 19197955]

約数ペア:

[(1, 19197955), (5, 3839591), (7, 2742565), (35, 548513), (49, 391795), (127, 151165), (245, 78359), (617, 31115), (635, 30233), (889, 21595), (3085, 6223), (4319, 4445)]