19801022

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{25321}}^1$

素因数の和:25363

約数の個数: 16

約数和(自身を含む): 32817312

約数和(自身を除く): 13016290

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 25321, 50642, 430457, 582383, 860914, 1164766, 9900511, 19801022]

約数ペア:

[(1, 19801022), (2, 9900511), (17, 1164766), (23, 860914), (34, 582383), (46, 430457), (391, 50642), (782, 25321)]