19943651

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4663}}^1$

素因数の和:4730

約数の個数: 16

約数和(自身を含む): 25073664

約数和(自身を除く): 5130013

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 4663, 32641, 60619, 219161, 424333, 1534127, 2849093, 19943651]

約数ペア:

[(1, 19943651), (7, 2849093), (13, 1534127), (47, 424333), (91, 219161), (329, 60619), (611, 32641), (4277, 4663)]