19394800

素因数分解:

$2^4\times 5^2\times {\mathrm{48487}}^1$

素因数の和:48505

約数の個数: 30

約数和(自身を含む): 46596968

約数和(自身を除く): 27202168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 48487, 96974, 193948, 242435, 387896, 484870, 775792, 969740, 1212175, 1939480, 2424350, 3878960, 4848700, 9697400, 19394800]

約数ペア:

[(1, 19394800), (2, 9697400), (4, 4848700), (5, 3878960), (8, 2424350), (10, 1939480), (16, 1212175), (20, 969740), (25, 775792), (40, 484870), (50, 387896), (80, 242435), (100, 193948), (200, 96974), (400, 48487)]