19788249

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7573}}^1$

素因数の和:7656

約数の個数: 16

約数和(自身を含む): 28841792

約数和(自身を除く): 9053543

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 7573, 22719, 98449, 295347, 507391, 1522173, 6596083, 19788249]

約数ペア:

[(1, 19788249), (3, 6596083), (13, 1522173), (39, 507391), (67, 295347), (201, 98449), (871, 22719), (2613, 7573)]