18708586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{9857}}^1$

素因数の和:9945

約数の個数: 16

約数和(自身を含む): 30638664

約数和(自身を除く): 11930078

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 9857, 19714, 128141, 256282, 719561, 1439122, 9354293, 18708586]

約数ペア:

[(1, 18708586), (2, 9354293), (13, 1439122), (26, 719561), (73, 256282), (146, 128141), (949, 19714), (1898, 9857)]