19862351

素因数分解:

${\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:302

約数の個数: 16

約数和(自身を含む): 21255168

約数和(自身を除く): 1392817

約数列:

[1, 31, 67, 73, 131, 2077, 2263, 4061, 4891, 8777, 9563, 151621, 272087, 296453, 640721, 19862351]

約数ペア:

[(1, 19862351), (31, 640721), (67, 296453), (73, 272087), (131, 151621), (2077, 9563), (2263, 8777), (4061, 4891)]