19840856

素因数分解:

$2^3\times 7^1\times {\mathrm{354301}}^1$

素因数の和:354314

約数の個数: 16

約数和(自身を含む): 42516240

約数和(自身を除く): 22675384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 354301, 708602, 1417204, 2480107, 2834408, 4960214, 9920428, 19840856]

約数ペア:

[(1, 19840856), (2, 9920428), (4, 4960214), (7, 2834408), (8, 2480107), (14, 1417204), (28, 708602), (56, 354301)]