19131687

素因数分解:

$3^3\times {\mathrm{167}}^1\times {\mathrm{4243}}^1$

素因数の和:4419

約数の個数: 16

約数和(自身を含む): 28519680

約数和(自身を除く): 9387993

約数列:

[1, 3, 9, 27, 167, 501, 1503, 4243, 4509, 12729, 38187, 114561, 708581, 2125743, 6377229, 19131687]

約数ペア:

[(1, 19131687), (3, 6377229), (9, 2125743), (27, 708581), (167, 114561), (501, 38187), (1503, 12729), (4243, 4509)]