18710728

素因数分解:

$2^3\times {\mathrm{449}}^1\times {\mathrm{5209}}^1$

素因数の和:5664

約数の個数: 16

約数和(自身を含む): 35167500

約数和(自身を除く): 16456772

約数列:

[1, 2, 4, 8, 449, 898, 1796, 3592, 5209, 10418, 20836, 41672, 2338841, 4677682, 9355364, 18710728]

約数ペア:

[(1, 18710728), (2, 9355364), (4, 4677682), (8, 2338841), (449, 41672), (898, 20836), (1796, 10418), (3592, 5209)]