19839152

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{20327}}^1$

素因数の和:20396

約数の個数: 20

約数和(自身を含む): 39070416

約数和(自身を除く): 19231264

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 20327, 40654, 81308, 162616, 325232, 1239947, 2479894, 4959788, 9919576, 19839152]

約数ペア:

[(1, 19839152), (2, 9919576), (4, 4959788), (8, 2479894), (16, 1239947), (61, 325232), (122, 162616), (244, 81308), (488, 40654), (976, 20327)]