19204143

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{13649}}^1$

素因数の和:13726

約数の個数: 16

約数和(自身を含む): 29702400

約数和(自身を除く): 10498257

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 13649, 40947, 95543, 286629, 914483, 2743449, 6401381, 19204143]

約数ペア:

[(1, 19204143), (3, 6401381), (7, 2743449), (21, 914483), (67, 286629), (201, 95543), (469, 40947), (1407, 13649)]