18977667076

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{11600041}}^1$

素因数の和:11600454

約数の個数: 12

約数和(自身を含む): 33292120540

約数和(自身を除く): 14314453464

約数列:

[1, 2, 4, 409, 818, 1636, 11600041, 23200082, 46400164, 4744416769, 9488833538, 18977667076]

約数ペア:

[(1, 18977667076), (2, 9488833538), (4, 4744416769), (409, 46400164), (818, 23200082), (1636, 11600041)]