18972758

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{12433}}^1$

素因数の和:12551

約数の個数: 16

約数和(自身を含む): 32825760

約数和(自身を除く): 13853002

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 12433, 24866, 87031, 174062, 1355197, 2710394, 9486379, 18972758]

約数ペア:

[(1, 18972758), (2, 9486379), (7, 2710394), (14, 1355197), (109, 174062), (218, 87031), (763, 24866), (1526, 12433)]