18706454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23209}}^1$

素因数の和:23255

約数の個数: 16

約数和(自身を含む): 31194240

約数和(自身を除く): 12487786

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 23209, 46418, 301717, 603434, 719479, 1438958, 9353227, 18706454]

約数ペア:

[(1, 18706454), (2, 9353227), (13, 1438958), (26, 719479), (31, 603434), (62, 301717), (403, 46418), (806, 23209)]