17921872

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{4259}}^1$

素因数の和:4530

約数の個数: 20

約数和(自身を含む): 34863840

約数和(自身を除く): 16941968

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 4259, 8518, 17036, 34072, 68144, 1120117, 2240234, 4480468, 8960936, 17921872]

約数ペア:

[(1, 17921872), (2, 8960936), (4, 4480468), (8, 2240234), (16, 1120117), (263, 68144), (526, 34072), (1052, 17036), (2104, 8518), (4208, 4259)]