19713484

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4373}}^1$

素因数の和:4414

約数の個数: 36

約数和(自身を含む): 41885424

約数和(自身を除く): 22171940

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4373, 4508, 8746, 17492, 30611, 61222, 100579, 122444, 201158, 214277, 402316, 428554, 704053, 857108, 1408106, 2816212, 4928371, 9856742, 19713484]

約数ペア:

[(1, 19713484), (2, 9856742), (4, 4928371), (7, 2816212), (14, 1408106), (23, 857108), (28, 704053), (46, 428554), (49, 402316), (92, 214277), (98, 201158), (161, 122444), (196, 100579), (322, 61222), (644, 30611), (1127, 17492), (2254, 8746), (4373, 4508)]