19606000

素因数分解:

$2^4\times 5^3\times {\mathrm{9803}}^1$

素因数の和:9826

約数の個数: 40

約数和(自身を含む): 47412144

約数和(自身を除く): 27806144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 9803, 19606, 39212, 49015, 78424, 98030, 156848, 196060, 245075, 392120, 490150, 784240, 980300, 1225375, 1960600, 2450750, 3921200, 4901500, 9803000, 19606000]

約数ペア:

[(1, 19606000), (2, 9803000), (4, 4901500), (5, 3921200), (8, 2450750), (10, 1960600), (16, 1225375), (20, 980300), (25, 784240), (40, 490150), (50, 392120), (80, 245075), (100, 196060), (125, 156848), (200, 98030), (250, 78424), (400, 49015), (500, 39212), (1000, 19606), (2000, 9803)]