19554340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75209}}^1$

素因数の和:75231

約数の個数: 24

約数和(自身を含む): 44223480

約数和(自身を除く): 24669140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75209, 150418, 300836, 376045, 752090, 977717, 1504180, 1955434, 3910868, 4888585, 9777170, 19554340]

約数ペア:

[(1, 19554340), (2, 9777170), (4, 4888585), (5, 3910868), (10, 1955434), (13, 1504180), (20, 977717), (26, 752090), (52, 376045), (65, 300836), (130, 150418), (260, 75209)]