19900945984

素因数分解:

$2^6\times {\mathrm{599}}^1\times {\mathrm{519119}}^1$

素因数の和:519730

約数の個数: 28

約数和(自身を含む): 39556944000

約数和(自身を除く): 19655998016

約数列:

[1, 2, 4, 8, 16, 32, 64, 599, 1198, 2396, 4792, 9584, 19168, 38336, 519119, 1038238, 2076476, 4152952, 8305904, 16611808, 33223616, 310952281, 621904562, 1243809124, 2487618248, 4975236496, 9950472992, 19900945984]

約数ペア:

[(1, 19900945984), (2, 9950472992), (4, 4975236496), (8, 2487618248), (16, 1243809124), (32, 621904562), (64, 310952281), (599, 33223616), (1198, 16611808), (2396, 8305904), (4792, 4152952), (9584, 2076476), (19168, 1038238), (38336, 519119)]