18500344

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 16981256

約数列:

[1, 2, 4, 8, 127, 131, 139, 254, 262, 278, 508, 524, 556, 1016, 1048, 1112, 16637, 17653, 18209, 33274, 35306, 36418, 66548, 70612, 72836, 133096, 141224, 145672, 2312543, 4625086, 9250172, 18500344]

約数ペア:

[(1, 18500344), (2, 9250172), (4, 4625086), (8, 2312543), (127, 145672), (131, 141224), (139, 133096), (254, 72836), (262, 70612), (278, 66548), (508, 36418), (524, 35306), (556, 33274), (1016, 18209), (1048, 17653), (1112, 16637)]