19784590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2593}}^1$

素因数の和:2716

約数の個数: 32

約数和(自身を含む): 41088960

約数和(自身を除く): 21304370

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 2593, 3815, 5186, 7630, 12965, 18151, 25930, 36302, 90755, 181510, 282637, 565274, 1413185, 1978459, 2826370, 3956918, 9892295, 19784590]

約数ペア:

[(1, 19784590), (2, 9892295), (5, 3956918), (7, 2826370), (10, 1978459), (14, 1413185), (35, 565274), (70, 282637), (109, 181510), (218, 90755), (545, 36302), (763, 25930), (1090, 18151), (1526, 12965), (2593, 7630), (3815, 5186)]