18401187

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1367}}^1$

素因数の和:2018

約数の個数: 16

約数和(自身を含む): 28104192

約数和(自身を除く): 9703005

約数列:

[1, 3, 7, 21, 641, 1367, 1923, 4101, 4487, 9569, 13461, 28707, 876247, 2628741, 6133729, 18401187]

約数ペア:

[(1, 18401187), (3, 6133729), (7, 2628741), (21, 876247), (641, 28707), (1367, 13461), (1923, 9569), (4101, 4487)]