19688718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{857}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 45137664

約数和(自身を除く): 25448946

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 547, 857, 1094, 1641, 1714, 2571, 3282, 3829, 5142, 5999, 7658, 11487, 11998, 17997, 22974, 35994, 468779, 937558, 1406337, 2812674, 3281453, 6562906, 9844359, 19688718]

約数ペア:

[(1, 19688718), (2, 9844359), (3, 6562906), (6, 3281453), (7, 2812674), (14, 1406337), (21, 937558), (42, 468779), (547, 35994), (857, 22974), (1094, 17997), (1641, 11998), (1714, 11487), (2571, 7658), (3282, 5999), (3829, 5142)]