19867064

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2381}}^1$

素因数の和:2543

約数の個数: 32

約数和(自身を含む): 42876000

約数和(自身を除く): 23008936

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 2381, 4172, 4762, 8344, 9524, 16667, 19048, 33334, 66668, 133336, 354769, 709538, 1419076, 2483383, 2838152, 4966766, 9933532, 19867064]

約数ペア:

[(1, 19867064), (2, 9933532), (4, 4966766), (7, 2838152), (8, 2483383), (14, 1419076), (28, 709538), (56, 354769), (149, 133336), (298, 66668), (596, 33334), (1043, 19048), (1192, 16667), (2086, 9524), (2381, 8344), (4172, 4762)]