18931347

素因数分解:

$3^3\times {\mathrm{191}}^1\times {\mathrm{3671}}^1$

素因数の和:3871

約数の個数: 16

約数和(自身を含む): 28200960

約数和(自身を除く): 9269613

約数列:

[1, 3, 9, 27, 191, 573, 1719, 3671, 5157, 11013, 33039, 99117, 701161, 2103483, 6310449, 18931347]

約数ペア:

[(1, 18931347), (3, 6310449), (9, 2103483), (27, 701161), (191, 99117), (573, 33039), (1719, 11013), (3671, 5157)]