19816976

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42709}}^1$

素因数の和:42746

約数の個数: 20

約数和(自身を含む): 39720300

約数和(自身を除く): 19903324

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42709, 85418, 170836, 341672, 683344, 1238561, 2477122, 4954244, 9908488, 19816976]

約数ペア:

[(1, 19816976), (2, 9908488), (4, 4954244), (8, 2477122), (16, 1238561), (29, 683344), (58, 341672), (116, 170836), (232, 85418), (464, 42709)]