18381369

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{821}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 26040960

約数和(自身を除く): 7659591

約数列:

[1, 3, 17, 51, 439, 821, 1317, 2463, 7463, 13957, 22389, 41871, 360419, 1081257, 6127123, 18381369]

約数ペア:

[(1, 18381369), (3, 6127123), (17, 1081257), (51, 360419), (439, 41871), (821, 22389), (1317, 13957), (2463, 7463)]