19129893

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{643}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 26213376

約数和(自身を除く): 7083483

約数列:

[1, 3, 47, 141, 211, 633, 643, 1929, 9917, 29751, 30221, 90663, 135673, 407019, 6376631, 19129893]

約数ペア:

[(1, 19129893), (3, 6376631), (47, 407019), (141, 135673), (211, 90663), (633, 30221), (643, 29751), (1929, 9917)]