19399191

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{22531}}^1$

素因数の和:22582

約数の個数: 16

約数和(自身を含む): 30283008

約数和(自身を除く): 10883817

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 22531, 67593, 157717, 473151, 923771, 2771313, 6466397, 19399191]

約数ペア:

[(1, 19399191), (3, 6466397), (7, 2771313), (21, 923771), (41, 473151), (123, 157717), (287, 67593), (861, 22531)]