19945310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25903}}^1$

素因数の和:25928

約数の個数: 32

約数和(自身を含む): 44762112

約数和(自身を除く): 24816802

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 25903, 51806, 129515, 181321, 259030, 284933, 362642, 569866, 906605, 1424665, 1813210, 1994531, 2849330, 3989062, 9972655, 19945310]

約数ペア:

[(1, 19945310), (2, 9972655), (5, 3989062), (7, 2849330), (10, 1994531), (11, 1813210), (14, 1424665), (22, 906605), (35, 569866), (55, 362642), (70, 284933), (77, 259030), (110, 181321), (154, 129515), (385, 51806), (770, 25903)]