18720354

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{76099}}^1$

素因数の和:76145

約数の個数: 16

約数和(自身を含む): 38354400

約数和(自身を除く): 19634046

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 76099, 152198, 228297, 456594, 3120059, 6240118, 9360177, 18720354]

約数ペア:

[(1, 18720354), (2, 9360177), (3, 6240118), (6, 3120059), (41, 456594), (82, 228297), (123, 152198), (246, 76099)]