18992900

素因数分解:

$2^2\times 5^2\times {\mathrm{189929}}^1$

素因数の和:189943

約数の個数: 18

約数和(自身を含む): 41214810

約数和(自身を除く): 22221910

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 189929, 379858, 759716, 949645, 1899290, 3798580, 4748225, 9496450, 18992900]

約数ペア:

[(1, 18992900), (2, 9496450), (4, 4748225), (5, 3798580), (10, 1899290), (20, 949645), (25, 759716), (50, 379858), (100, 189929)]