19996322

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{6661}}^1$

素因数の和:6761

約数の個数: 16

約数和(自身を含む): 31977600

約数和(自身を除く): 11981278

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 6661, 13322, 126559, 253118, 526219, 1052438, 9998161, 19996322]

約数ペア:

[(1, 19996322), (2, 9998161), (19, 1052438), (38, 526219), (79, 253118), (158, 126559), (1501, 13322), (3002, 6661)]