19937170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16477}}^1$

素因数の和:16506

約数の個数: 24

約数和(自身を含む): 39448332

約数和(自身を除く): 19511162

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16477, 32954, 82385, 164770, 181247, 362494, 906235, 1812470, 1993717, 3987434, 9968585, 19937170]

約数ペア:

[(1, 19937170), (2, 9968585), (5, 3987434), (10, 1993717), (11, 1812470), (22, 906235), (55, 362494), (110, 181247), (121, 164770), (242, 82385), (605, 32954), (1210, 16477)]