19164112

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{108887}}^1$

素因数の和:108906

約数の個数: 20

約数和(自身を含む): 40506336

約数和(自身を除く): 21342224

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 108887, 217774, 435548, 871096, 1197757, 1742192, 2395514, 4791028, 9582056, 19164112]

約数ペア:

[(1, 19164112), (2, 9582056), (4, 4791028), (8, 2395514), (11, 1742192), (16, 1197757), (22, 871096), (44, 435548), (88, 217774), (176, 108887)]