18120918

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{131311}}^1$

素因数の和:131339

約数の個数: 16

約数和(自身を含む): 37817856

約数和(自身を除く): 19696938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 131311, 262622, 393933, 787866, 3020153, 6040306, 9060459, 18120918]

約数ペア:

[(1, 18120918), (2, 9060459), (3, 6040306), (6, 3020153), (23, 787866), (46, 393933), (69, 262622), (138, 131311)]