19543580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139597}}^1$

素因数の和:139613

約数の個数: 24

約数和(自身を含む): 46904928

約数和(自身を除く): 27361348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139597, 279194, 558388, 697985, 977179, 1395970, 1954358, 2791940, 3908716, 4885895, 9771790, 19543580]

約数ペア:

[(1, 19543580), (2, 9771790), (4, 4885895), (5, 3908716), (7, 2791940), (10, 1954358), (14, 1395970), (20, 977179), (28, 697985), (35, 558388), (70, 279194), (140, 139597)]