19659474

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15383}}^1$

素因数の和:15462

約数の個数: 24

約数和(自身を含む): 43198272

約数和(自身を除く): 23538798

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15383, 30766, 46149, 92298, 138447, 276894, 1092193, 2184386, 3276579, 6553158, 9829737, 19659474]

約数ペア:

[(1, 19659474), (2, 9829737), (3, 6553158), (6, 3276579), (9, 2184386), (18, 1092193), (71, 276894), (142, 138447), (213, 92298), (426, 46149), (639, 30766), (1278, 15383)]