19499840

素因数分解:

$2^6\times 5^1\times {\mathrm{60937}}^1$

素因数の和:60954

約数の個数: 28

約数和(自身を含む): 46434756

約数和(自身を除く): 26934916

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 60937, 121874, 243748, 304685, 487496, 609370, 974992, 1218740, 1949984, 2437480, 3899968, 4874960, 9749920, 19499840]

約数ペア:

[(1, 19499840), (2, 9749920), (4, 4874960), (5, 3899968), (8, 2437480), (10, 1949984), (16, 1218740), (20, 974992), (32, 609370), (40, 487496), (64, 304685), (80, 243748), (160, 121874), (320, 60937)]