18966434

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{839}}^1$

素因数の和:1057

約数の個数: 16

約数和(自身を含む): 29030400

約数和(自身を除く): 10063966

約数列:

[1, 2, 89, 127, 178, 254, 839, 1678, 11303, 22606, 74671, 106553, 149342, 213106, 9483217, 18966434]

約数ペア:

[(1, 18966434), (2, 9483217), (89, 213106), (127, 149342), (178, 106553), (254, 74671), (839, 22606), (1678, 11303)]