19521904

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{29759}}^1$

素因数の和:29808

約数の個数: 20

約数和(自身を含む): 38747520

約数和(自身を除く): 19225616

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 29759, 59518, 119036, 238072, 476144, 1220119, 2440238, 4880476, 9760952, 19521904]

約数ペア:

[(1, 19521904), (2, 9760952), (4, 4880476), (8, 2440238), (16, 1220119), (41, 476144), (82, 238072), (164, 119036), (328, 59518), (656, 29759)]