18479812

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{27337}}^1$

素因数の和:27367

約数の個数: 18

約数和(自身を含む): 35019978

約数和(自身を除く): 16540166

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 27337, 54674, 109348, 355381, 710762, 1421524, 4619953, 9239906, 18479812]

約数ペア:

[(1, 18479812), (2, 9239906), (4, 4619953), (13, 1421524), (26, 710762), (52, 355381), (169, 109348), (338, 54674), (676, 27337)]