19871142

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{80777}}^1$

素因数の和:80823

約数の個数: 16

約数和(自身を含む): 40712112

約数和(自身を除く): 20840970

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 80777, 161554, 242331, 484662, 3311857, 6623714, 9935571, 19871142]

約数ペア:

[(1, 19871142), (2, 9935571), (3, 6623714), (6, 3311857), (41, 484662), (82, 242331), (123, 161554), (246, 80777)]