18387866

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{9587}}^1$

素因数の和:9733

約数の個数: 16

約数和(自身を含む): 31755456

約数和(自身を除く): 13367590

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 9587, 19174, 67109, 134218, 1313419, 2626838, 9193933, 18387866]

約数ペア:

[(1, 18387866), (2, 9193933), (7, 2626838), (14, 1313419), (137, 134218), (274, 67109), (959, 19174), (1918, 9587)]