20198254

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{1153}}^1$

素因数の和:1635

約数の個数: 16

約数和(自身を含む): 31988880

約数和(自身を除く): 11790626

約数列:

[1, 2, 19, 38, 461, 922, 1153, 2306, 8759, 17518, 21907, 43814, 531533, 1063066, 10099127, 20198254]

約数ペア:

[(1, 20198254), (2, 10099127), (19, 1063066), (38, 531533), (461, 43814), (922, 21907), (1153, 17518), (2306, 8759)]