19984576

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{5119}}^1$

素因数の和:5192

約数の個数: 28

約数和(自身を含む): 40314880

約数和(自身を除く): 20330304

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 5119, 10238, 20476, 40952, 81904, 163808, 312259, 327616, 624518, 1249036, 2498072, 4996144, 9992288, 19984576]

約数ペア:

[(1, 19984576), (2, 9992288), (4, 4996144), (8, 2498072), (16, 1249036), (32, 624518), (61, 327616), (64, 312259), (122, 163808), (244, 81904), (488, 40952), (976, 20476), (1952, 10238), (3904, 5119)]