18838085

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{12517}}^1$

素因数の和:12572

約数の個数: 16

約数和(自身を含む): 26438016

約数和(自身を除く): 7599931

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 12517, 62585, 87619, 438095, 538231, 2691155, 3767617, 18838085]

約数ペア:

[(1, 18838085), (5, 3767617), (7, 2691155), (35, 538231), (43, 438095), (215, 87619), (301, 62585), (1505, 12517)]