19979312

素因数分解:

$2^4\times {\mathrm{941}}^1\times {\mathrm{1327}}^1$

素因数の和:2276

約数の個数: 20

約数和(自身を含む): 38780256

約数和(自身を除く): 18800944

約数列:

[1, 2, 4, 8, 16, 941, 1327, 1882, 2654, 3764, 5308, 7528, 10616, 15056, 21232, 1248707, 2497414, 4994828, 9989656, 19979312]

約数ペア:

[(1, 19979312), (2, 9989656), (4, 4994828), (8, 2497414), (16, 1248707), (941, 21232), (1327, 15056), (1882, 10616), (2654, 7528), (3764, 5308)]