19857856

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10009}}^1$

素因数の和:10052

約数の個数: 28

約数和(自身を含む): 40680640

約数和(自身を除く): 20822784

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10009, 20018, 40036, 80072, 160144, 310279, 320288, 620558, 640576, 1241116, 2482232, 4964464, 9928928, 19857856]

約数ペア:

[(1, 19857856), (2, 9928928), (4, 4964464), (8, 2482232), (16, 1241116), (31, 640576), (32, 620558), (62, 320288), (64, 310279), (124, 160144), (248, 80072), (496, 40036), (992, 20018), (1984, 10009)]