9807473810

素因数分解:

$2^1\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{490619}}^1$

素因数の和:492625

約数の個数: 16

約数和(自身を含む): 17662320000

約数和(自身を除く): 7854846190

約数列:

[1, 2, 5, 10, 1999, 3998, 9995, 19990, 490619, 981238, 2453095, 4906190, 980747381, 1961494762, 4903736905, 9807473810]

約数ペア:

[(1, 9807473810), (2, 4903736905), (5, 1961494762), (10, 980747381), (1999, 4906190), (3998, 2453095), (9995, 981238), (19990, 490619)]