19810408

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{23143}}^1$

素因数の和:23256

約数の個数: 16

約数和(自身を含む): 37493280

約数和(自身を除く): 17682872

約数列:

[1, 2, 4, 8, 107, 214, 428, 856, 23143, 46286, 92572, 185144, 2476301, 4952602, 9905204, 19810408]

約数ペア:

[(1, 19810408), (2, 9905204), (4, 4952602), (8, 2476301), (107, 185144), (214, 92572), (428, 46286), (856, 23143)]