18718274

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{2731}}^1$

素因数の和:2905

約数の個数: 16

約数和(自身を含む): 29505600

約数和(自身を除く): 10787326

約数列:

[1, 2, 23, 46, 149, 298, 2731, 3427, 5462, 6854, 62813, 125626, 406919, 813838, 9359137, 18718274]

約数ペア:

[(1, 18718274), (2, 9359137), (23, 813838), (46, 406919), (149, 125626), (298, 62813), (2731, 6854), (3427, 5462)]