19820270

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8293}}^1$

素因数の和:8539

約数の個数: 16

約数和(自身を含む): 35830080

約数和(自身を除く): 16009810

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 8293, 16586, 41465, 82930, 1982027, 3964054, 9910135, 19820270]

約数ペア:

[(1, 19820270), (2, 9910135), (5, 3964054), (10, 1982027), (239, 82930), (478, 41465), (1195, 16586), (2390, 8293)]