18993513

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{82223}}^1$

素因数の和:82244

約数の個数: 16

約数和(自身を含む): 31574016

約数和(自身を除く): 12580503

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 82223, 246669, 575561, 904453, 1726683, 2713359, 6331171, 18993513]

約数ペア:

[(1, 18993513), (3, 6331171), (7, 2713359), (11, 1726683), (21, 904453), (33, 575561), (77, 246669), (231, 82223)]