19900312

素因数分解:

$2^3\times {\mathrm{601}}^1\times {\mathrm{4139}}^1$

素因数の和:4746

約数の個数: 16

約数和(自身を含む): 37384200

約数和(自身を除く): 17483888

約数列:

[1, 2, 4, 8, 601, 1202, 2404, 4139, 4808, 8278, 16556, 33112, 2487539, 4975078, 9950156, 19900312]

約数ペア:

[(1, 19900312), (2, 9950156), (4, 4975078), (8, 2487539), (601, 33112), (1202, 16556), (2404, 8278), (4139, 4808)]