19987272

素因数分解:

$2^3\times 3^2\times {\mathrm{277601}}^1$

素因数の和:277613

約数の個数: 24

約数和(自身を含む): 54132390

約数和(自身を除く): 34145118

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 277601, 555202, 832803, 1110404, 1665606, 2220808, 2498409, 3331212, 4996818, 6662424, 9993636, 19987272]

約数ペア:

[(1, 19987272), (2, 9993636), (3, 6662424), (4, 4996818), (6, 3331212), (8, 2498409), (9, 2220808), (12, 1665606), (18, 1110404), (24, 832803), (36, 555202), (72, 277601)]