18697907912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137484617}}^1$

素因数の和:137484640

約数の個数: 16

約数和(自身を含む): 37120846860

約数和(自身を除く): 18422938948

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137484617, 274969234, 549938468, 1099876936, 2337238489, 4674476978, 9348953956, 18697907912]

約数ペア:

[(1, 18697907912), (2, 9348953956), (4, 4674476978), (8, 2337238489), (17, 1099876936), (34, 549938468), (68, 274969234), (136, 137484617)]