19400396

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{757}}^1$

素因数の和:953

約数の個数: 24

約数和(自身を含む): 35019600

約数和(自身を除く): 15619204

約数列:

[1, 2, 4, 43, 86, 149, 172, 298, 596, 757, 1514, 3028, 6407, 12814, 25628, 32551, 65102, 112793, 130204, 225586, 451172, 4850099, 9700198, 19400396]

約数ペア:

[(1, 19400396), (2, 9700198), (4, 4850099), (43, 451172), (86, 225586), (149, 130204), (172, 112793), (298, 65102), (596, 32551), (757, 25628), (1514, 12814), (3028, 6407)]