18109618

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{821}}^1$

素因数の和:1133

約数の個数: 16

約数和(自身を含む): 27964440

約数和(自身を除く): 9854822

約数列:

[1, 2, 41, 82, 269, 538, 821, 1642, 11029, 22058, 33661, 67322, 220849, 441698, 9054809, 18109618]

約数ペア:

[(1, 18109618), (2, 9054809), (41, 441698), (82, 220849), (269, 67322), (538, 33661), (821, 22058), (1642, 11029)]