19227988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1877}}^1$

素因数の和:2091

約数の個数: 24

約数和(自身を含む): 36440712

約数和(自身を除く): 17212724

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 1877, 2561, 3754, 5122, 7508, 10244, 24401, 48802, 97604, 369769, 739538, 1479076, 4806997, 9613994, 19227988]

約数ペア:

[(1, 19227988), (2, 9613994), (4, 4806997), (13, 1479076), (26, 739538), (52, 369769), (197, 97604), (394, 48802), (788, 24401), (1877, 10244), (2561, 7508), (3754, 5122)]