19181316356

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{991}}^1\times {\mathrm{11831}}^1$

素因数の和:13235

約数の個数: 24

約数和(自身を含む): 33686177280

約数和(自身を除く): 14504860924

約数列:

[1, 2, 4, 409, 818, 991, 1636, 1982, 3964, 11831, 23662, 47324, 405319, 810638, 1621276, 4838879, 9677758, 11724521, 19355516, 23449042, 46898084, 4795329089, 9590658178, 19181316356]

約数ペア:

[(1, 19181316356), (2, 9590658178), (4, 4795329089), (409, 46898084), (818, 23449042), (991, 19355516), (1636, 11724521), (1982, 9677758), (3964, 4838879), (11831, 1621276), (23662, 810638), (47324, 405319)]