71998884

素因数分解:

$2^2\times 3^2\times {\mathrm{1999969}}^1$

素因数の和:1999979

約数の個数: 18

約数和(自身を含む): 181997270

約数和(自身を除く): 109998386

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1999969, 3999938, 5999907, 7999876, 11999814, 17999721, 23999628, 35999442, 71998884]

約数ペア:

[(1, 71998884), (2, 35999442), (3, 23999628), (4, 17999721), (6, 11999814), (9, 7999876), (12, 5999907), (18, 3999938), (36, 1999969)]