19547780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139627}}^1$

素因数の和:139643

約数の個数: 24

約数和(自身を含む): 46915008

約数和(自身を除く): 27367228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139627, 279254, 558508, 698135, 977389, 1396270, 1954778, 2792540, 3909556, 4886945, 9773890, 19547780]

約数ペア:

[(1, 19547780), (2, 9773890), (4, 4886945), (5, 3909556), (7, 2792540), (10, 1954778), (14, 1396270), (20, 977389), (28, 698135), (35, 558508), (70, 279254), (140, 139627)]