19872538

素因数分解:

$2^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{1019}}^1$

素因数の和:1234

約数の個数: 24

約数和(自身を含む): 34884000

約数和(自身を除く): 15011462

約数列:

[1, 2, 7, 14, 49, 98, 199, 398, 1019, 1393, 2038, 2786, 7133, 9751, 14266, 19502, 49931, 99862, 202781, 405562, 1419467, 2838934, 9936269, 19872538]

約数ペア:

[(1, 19872538), (2, 9936269), (7, 2838934), (14, 1419467), (49, 405562), (98, 202781), (199, 99862), (398, 49931), (1019, 19502), (1393, 14266), (2038, 9751), (2786, 7133)]