19976888

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 38539200

約数和(自身を除く): 18562312

約数列:

[1, 2, 4, 8, 73, 79, 146, 158, 292, 316, 433, 584, 632, 866, 1732, 3464, 5767, 11534, 23068, 31609, 34207, 46136, 63218, 68414, 126436, 136828, 252872, 273656, 2497111, 4994222, 9988444, 19976888]

約数ペア:

[(1, 19976888), (2, 9988444), (4, 4994222), (8, 2497111), (73, 273656), (79, 252872), (146, 136828), (158, 126436), (292, 68414), (316, 63218), (433, 46136), (584, 34207), (632, 31609), (866, 23068), (1732, 11534), (3464, 5767)]