19301737

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 24460296

約数和(自身を除く): 5158559

約数列:

[1, 7, 13, 49, 91, 157, 193, 637, 1099, 1351, 2041, 2509, 7693, 9457, 14287, 17563, 30301, 100009, 122941, 212107, 393913, 1484749, 2757391, 19301737]

約数ペア:

[(1, 19301737), (7, 2757391), (13, 1484749), (49, 393913), (91, 212107), (157, 122941), (193, 100009), (637, 30301), (1099, 17563), (1351, 14287), (2041, 9457), (2509, 7693)]