18657370

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81119}}^1$

素因数の和:81149

約数の個数: 16

約数和(自身を含む): 35043840

約数和(自身を除く): 16386470

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 81119, 162238, 405595, 811190, 1865737, 3731474, 9328685, 18657370]

約数ペア:

[(1, 18657370), (2, 9328685), (5, 3731474), (10, 1865737), (23, 811190), (46, 405595), (115, 162238), (230, 81119)]