19212440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36947}}^1$

素因数の和:36971

約数の個数: 32

約数和(自身を含む): 46554480

約数和(自身を除く): 27342040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 36947, 73894, 147788, 184735, 295576, 369470, 480311, 738940, 960622, 1477880, 1921244, 2401555, 3842488, 4803110, 9606220, 19212440]

約数ペア:

[(1, 19212440), (2, 9606220), (4, 4803110), (5, 3842488), (8, 2401555), (10, 1921244), (13, 1477880), (20, 960622), (26, 738940), (40, 480311), (52, 369470), (65, 295576), (104, 184735), (130, 147788), (260, 73894), (520, 36947)]