18107649

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1459}}^1$

素因数の和:1669

約数の個数: 24

約数和(自身を含む): 30064320

約数和(自身を除く): 11956671

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1379, 1459, 1773, 4137, 4377, 10213, 12411, 13131, 30639, 91917, 287423, 862269, 2011961, 2586807, 6035883, 18107649]

約数ペア:

[(1, 18107649), (3, 6035883), (7, 2586807), (9, 2011961), (21, 862269), (63, 287423), (197, 91917), (591, 30639), (1379, 13131), (1459, 12411), (1773, 10213), (4137, 4377)]