19720112

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{33311}}^1$

素因数の和:33356

約数の個数: 20

約数和(自身を含む): 39241536

約数和(自身を除く): 19521424

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 33311, 66622, 133244, 266488, 532976, 1232507, 2465014, 4930028, 9860056, 19720112]

約数ペア:

[(1, 19720112), (2, 9860056), (4, 4930028), (8, 2465014), (16, 1232507), (37, 532976), (74, 266488), (148, 133244), (296, 66622), (592, 33311)]