18789369

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5189}}^1$

素因数の和:5280

約数の個数: 16

約数和(自身を含む): 26904960

約数和(自身を除く): 8115591

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 5189, 15567, 88213, 264639, 368419, 1105257, 6263123, 18789369]

約数ペア:

[(1, 18789369), (3, 6263123), (17, 1105257), (51, 368419), (71, 264639), (213, 88213), (1207, 15567), (3621, 5189)]