19400038

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{12713}}^1$

素因数の和:12831

約数の個数: 16

約数和(自身を含む): 33564960

約数和(自身を除く): 14164922

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 12713, 25426, 88991, 177982, 1385717, 2771434, 9700019, 19400038]

約数ペア:

[(1, 19400038), (2, 9700019), (7, 2771434), (14, 1385717), (109, 177982), (218, 88991), (763, 25426), (1526, 12713)]