19781412

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{235493}}^1$

素因数の和:235507

約数の個数: 24

約数和(自身を含む): 52750656

約数和(自身を除く): 32969244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 235493, 470986, 706479, 941972, 1412958, 1648451, 2825916, 3296902, 4945353, 6593804, 9890706, 19781412]

約数ペア:

[(1, 19781412), (2, 9890706), (3, 6593804), (4, 4945353), (6, 3296902), (7, 2825916), (12, 1648451), (14, 1412958), (21, 941972), (28, 706479), (42, 470986), (84, 235493)]