18405426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{235967}}^1$

素因数の和:235985

約数の個数: 16

約数和(自身を含む): 39642624

約数和(自身を除く): 21237198

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 235967, 471934, 707901, 1415802, 3067571, 6135142, 9202713, 18405426]

約数ペア:

[(1, 18405426), (2, 9202713), (3, 6135142), (6, 3067571), (13, 1415802), (26, 707901), (39, 471934), (78, 235967)]