19005352496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{91371887}}^1$

素因数の和:91371908

約数の個数: 20

約数和(自身を含む): 39655399392

約数和(自身を除く): 20650046896

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 91371887, 182743774, 365487548, 730975096, 1187834531, 1461950192, 2375669062, 4751338124, 9502676248, 19005352496]

約数ペア:

[(1, 19005352496), (2, 9502676248), (4, 4751338124), (8, 2375669062), (13, 1461950192), (16, 1187834531), (26, 730975096), (52, 365487548), (104, 182743774), (208, 91371887)]