19942252

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41203}}^1$

素因数の和:41229

約数の個数: 18

約数和(自身を含む): 38360924

約数和(自身を除く): 18418672

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41203, 82406, 164812, 453233, 906466, 1812932, 4985563, 9971126, 19942252]

約数ペア:

[(1, 19942252), (2, 9971126), (4, 4985563), (11, 1812932), (22, 906466), (44, 453233), (121, 164812), (242, 82406), (484, 41203)]