18906164

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{66571}}^1$

素因数の和:66646

約数の個数: 12

約数和(自身を含む): 33552288

約数和(自身を除く): 14646124

約数列:

[1, 2, 4, 71, 142, 284, 66571, 133142, 266284, 4726541, 9453082, 18906164]

約数ペア:

[(1, 18906164), (2, 9453082), (4, 4726541), (71, 266284), (142, 133142), (284, 66571)]