188844980

素因数分解:

$2^2\times 5^1\times {\mathrm{9442249}}^1$

素因数の和:9442258

約数の個数: 12

約数和(自身を含む): 396574500

約数和(自身を除く): 207729520

約数列:

[1, 2, 4, 5, 10, 20, 9442249, 18884498, 37768996, 47211245, 94422490, 188844980]

約数ペア:

[(1, 188844980), (2, 94422490), (4, 47211245), (5, 37768996), (10, 18884498), (20, 9442249)]