18685446

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239557}}^1$

素因数の和:239575

約数の個数: 16

約数和(自身を含む): 40245744

約数和(自身を除く): 21560298

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 239557, 479114, 718671, 1437342, 3114241, 6228482, 9342723, 18685446]

約数ペア:

[(1, 18685446), (2, 9342723), (3, 6228482), (6, 3114241), (13, 1437342), (26, 718671), (39, 479114), (78, 239557)]