19984794

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{81239}}^1$

素因数の和:81285

約数の個数: 16

約数和(自身を含む): 40944960

約数和(自身を除く): 20960166

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 81239, 162478, 243717, 487434, 3330799, 6661598, 9992397, 19984794]

約数ペア:

[(1, 19984794), (2, 9992397), (3, 6661598), (6, 3330799), (41, 487434), (82, 243717), (123, 162478), (246, 81239)]