19906252

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{4799}}^1$

素因数の和:4881

約数の個数: 24

約数和(自身を含む): 37497600

約数和(自身を除く): 17591348

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 1037, 2074, 4148, 4799, 9598, 19196, 81583, 163166, 292739, 326332, 585478, 1170956, 4976563, 9953126, 19906252]

約数ペア:

[(1, 19906252), (2, 9953126), (4, 4976563), (17, 1170956), (34, 585478), (61, 326332), (68, 292739), (122, 163166), (244, 81583), (1037, 19196), (2074, 9598), (4148, 4799)]