18040048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2017}}^1$

素因数の和:2081

約数の個数: 40

約数和(自身を含む): 38535728

約数和(自身を除く): 20495680

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2017, 2236, 4034, 4472, 8068, 8944, 16136, 26221, 32272, 52442, 86731, 104884, 173462, 209768, 346924, 419536, 693848, 1127503, 1387696, 2255006, 4510012, 9020024, 18040048]

約数ペア:

[(1, 18040048), (2, 9020024), (4, 4510012), (8, 2255006), (13, 1387696), (16, 1127503), (26, 693848), (43, 419536), (52, 346924), (86, 209768), (104, 173462), (172, 104884), (208, 86731), (344, 52442), (559, 32272), (688, 26221), (1118, 16136), (2017, 8944), (2236, 8068), (4034, 4472)]