18564185

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 23021712

約数和(自身を除く): 4457527

約数列:

[1, 5, 41, 137, 205, 661, 685, 3305, 5617, 27101, 28085, 90557, 135505, 452785, 3712837, 18564185]

約数ペア:

[(1, 18564185), (5, 3712837), (41, 452785), (137, 135505), (205, 90557), (661, 28085), (685, 27101), (3305, 5617)]