19804300

素因数分解:

$2^2\times 5^2\times {\mathrm{198043}}^1$

素因数の和:198057

約数の個数: 18

約数和(自身を含む): 42975548

約数和(自身を除く): 23171248

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 198043, 396086, 792172, 990215, 1980430, 3960860, 4951075, 9902150, 19804300]

約数ペア:

[(1, 19804300), (2, 9902150), (4, 4951075), (5, 3960860), (10, 1980430), (20, 990215), (25, 792172), (50, 396086), (100, 198043)]