19706423

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 23148384

約数和(自身を除く): 3441961

約数列:

[1, 11, 23, 73, 97, 121, 253, 803, 1067, 1679, 2231, 2783, 7081, 8833, 11737, 18469, 24541, 77891, 162863, 203159, 269951, 856801, 1791493, 19706423]

約数ペア:

[(1, 19706423), (11, 1791493), (23, 856801), (73, 269951), (97, 203159), (121, 162863), (253, 77891), (803, 24541), (1067, 18469), (1679, 11737), (2231, 8833), (2783, 7081)]