19403054

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1811}}^1$

素因数の和:2311

約数の個数: 16

約数和(自身を含む): 31833216

約数和(自身を除く): 12430162

約数列:

[1, 2, 11, 22, 487, 974, 1811, 3622, 5357, 10714, 19921, 39842, 881957, 1763914, 9701527, 19403054]

約数ペア:

[(1, 19403054), (2, 9701527), (11, 1763914), (22, 881957), (487, 39842), (974, 19921), (1811, 10714), (3622, 5357)]