19827302

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{81931}}^1$

素因数の和:81955

約数の個数: 12

約数和(自身を含む): 32690868

約数和(自身を除く): 12863566

約数列:

[1, 2, 11, 22, 121, 242, 81931, 163862, 901241, 1802482, 9913651, 19827302]

約数ペア:

[(1, 19827302), (2, 9913651), (11, 1802482), (22, 901241), (121, 163862), (242, 81931)]