638289324

素因数分解:

$2^2\times 3^2\times {\mathrm{17730259}}^1$

素因数の和:17730269

約数の個数: 18

約数和(自身を含む): 1613453660

約数和(自身を除く): 975164336

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 17730259, 35460518, 53190777, 70921036, 106381554, 159572331, 212763108, 319144662, 638289324]

約数ペア:

[(1, 638289324), (2, 319144662), (3, 212763108), (4, 159572331), (6, 106381554), (9, 70921036), (12, 53190777), (18, 35460518), (36, 17730259)]