19747347

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^3$

素因数の和:215

約数の個数: 16

約数和(自身を含む): 27691680

約数和(自身を除く): 7944333

約数列:

[1, 3, 29, 61, 87, 183, 1769, 3721, 5307, 11163, 107909, 226981, 323727, 680943, 6582449, 19747347]

約数ペア:

[(1, 19747347), (3, 6582449), (29, 680943), (61, 323727), (87, 226981), (183, 107909), (1769, 11163), (3721, 5307)]