18520372

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{27397}}^1$

素因数の和:27427

約数の個数: 18

約数和(自身を含む): 35096838

約数和(自身を除く): 16576466

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 27397, 54794, 109588, 356161, 712322, 1424644, 4630093, 9260186, 18520372]

約数ペア:

[(1, 18520372), (2, 9260186), (4, 4630093), (13, 1424644), (26, 712322), (52, 356161), (169, 109588), (338, 54794), (676, 27397)]