18131139

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{439}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 28348320

約数和(自身を除く): 10217181

約数列:

[1, 3, 9, 13, 39, 117, 353, 439, 1059, 1317, 3177, 3951, 4589, 5707, 13767, 17121, 41301, 51363, 154967, 464901, 1394703, 2014571, 6043713, 18131139]

約数ペア:

[(1, 18131139), (3, 6043713), (9, 2014571), (13, 1394703), (39, 464901), (117, 154967), (353, 51363), (439, 41301), (1059, 17121), (1317, 13767), (3177, 5707), (3951, 4589)]